diff --git a/CHANGELOG.md b/CHANGELOG.md
index e80ae71..ad4e020 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## node-red-contrib-letsfiware-NGSI v0.14.0-next
 
+-  Add feature for encoding and decoding forbidden chars (#135)
 -  ADD encode / decode node (#133)
 
 ## node-red-contrib-letsfiware-NGSI v0.14.0 - 02 May, 2023
diff --git a/docs/en/custom_nodes/historical_context.md b/docs/en/custom_nodes/historical_context.md
index cad36c9..049be74 100644
--- a/docs/en/custom_nodes/historical_context.md
+++ b/docs/en/custom_nodes/historical_context.md
@@ -64,6 +64,7 @@ For example, if you want to get historical context from 3 days ago to 2 days ago
 -   `Unit for data to`: unit for the final date
 -   `Output type`: `raw`, `value` or `dashboard`
 -   `Count`: the total count of elements
+-   `Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -123,6 +124,7 @@ A `msg.statusCode` contains a status code.
 -   `Date to`: the final date and time until which the raw context information is desired. It is an optional parameter.
 -   `Unit for data to`: unit for the final date
 -   `Output type`: `raw`, `value` or `dashboard`
+-   `Decode forbidden chars`: `off` or `on`
 
 ### Input
 
diff --git a/docs/en/custom_nodes/ngsi_attribute.md b/docs/en/custom_nodes/ngsi_attribute.md
index 9774d38..f883f76 100644
--- a/docs/en/custom_nodes/ngsi_attribute.md
+++ b/docs/en/custom_nodes/ngsi_attribute.md
@@ -33,6 +33,7 @@ It allows to read an attribute in NGSIv2 entity.
 -   `Attribute name`: Attribute name of an attribute to be read
 -   `Metadata`: List of metadata names
 -   `Skip forwarding`: If true, Context Broker skips forwarding to Context Providers
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -98,6 +99,7 @@ It allows to update an attribute in NGSIv2 entity.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -137,6 +139,7 @@ It allows to delete an attribute in NGSIv2 entity.
 -   `Entity id`: Id of an entity containing an attribute to be deleted
 -   `Entity type`: Type of an entity containing an attribute to be delete
 -   `Attribute name`: Attribute name of an attribute to be deleted
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -192,6 +195,7 @@ It allows to read, update or delete an attribute in NGSIv2 entity.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input 1
 
@@ -269,4 +273,4 @@ A `msg.payload` contains a status code.
 
 ```text
 204
-```
\ No newline at end of file
+```
diff --git a/docs/en/custom_nodes/ngsi_attribute_value.md b/docs/en/custom_nodes/ngsi_attribute_value.md
index b2fc84a..b3bb99a 100644
--- a/docs/en/custom_nodes/ngsi_attribute_value.md
+++ b/docs/en/custom_nodes/ngsi_attribute_value.md
@@ -31,6 +31,7 @@ It allows to read an attribute value of NGSIv2 entity.
 -   `Entity type`: Type of an entity containing an attribute to be read a value
 -   `Attribute name`: Attribute name of an attribute to be read a value
 -   `Skip forwarding`: If true, Context Broker skips forwarding to Context Providers
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -86,6 +87,7 @@ It allows to update an attribute value of NGSIv2 entity.
 -   `Attribute name`: Attribute name of an attribute to be updated a value
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -147,6 +149,7 @@ It allows to read or update an attribute value of NGSIv2 entity.
 -   `Skip forwarding`: If true, Context Broker skips forwarding to Context Providers
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input 1
 
@@ -255,4 +258,4 @@ A `msg.statusCode` contains a status code.
 
 ```
 204
-```
\ No newline at end of file
+```
diff --git a/docs/en/custom_nodes/ngsi_attributes.md b/docs/en/custom_nodes/ngsi_attributes.md
index 38d6d88..39a88b5 100644
--- a/docs/en/custom_nodes/ngsi_attributes.md
+++ b/docs/en/custom_nodes/ngsi_attributes.md
@@ -35,6 +35,7 @@ It allows to append attributes of NGSIv2 entity.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -80,6 +81,7 @@ It allows to update attributes of NGSIv2 entity.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -125,6 +127,7 @@ It allows to upsert attributes of NGSIv2 entity.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -175,6 +178,7 @@ It allows to replace attributes of NGSIv2 entity.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -230,6 +234,7 @@ It allows to append, update, upsert or replace attributes of NGSIv2 entity.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -316,4 +321,4 @@ A `msg.statusCode` contains a status code.
 
 ```text
 204
-```
\ No newline at end of file
+```
diff --git a/docs/en/custom_nodes/ngsi_batch_update.md b/docs/en/custom_nodes/ngsi_batch_update.md
index 54d0d0d..55c05a5 100644
--- a/docs/en/custom_nodes/ngsi_batch_update.md
+++ b/docs/en/custom_nodes/ngsi_batch_update.md
@@ -35,6 +35,7 @@ It allows to append several entities.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -91,6 +92,7 @@ It allows to append several entities strictly.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -147,6 +149,7 @@ It allows to update several entities.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -203,6 +206,7 @@ It allows to replace several entities.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -259,6 +263,7 @@ It allows to delete several entities.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
+-   `Encode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -315,7 +320,7 @@ It allows to append, appendStrict, update, replace or delete several entities.
 -   `Override metadata`: If true, it replaces the existing metadata
 -   `Forced update`: If true, it triggers matching subscriptions
 -   `Flow control`: If true, it enables flow control mechanism
-
+-   `Encode forbidden chars`: `off` or `on`
 
 ### Input (append)
 
@@ -530,4 +535,4 @@ A `msg.statusCode` contains a status code.
 
 ```text
 204
-```
\ No newline at end of file
+```
diff --git a/docs/en/custom_nodes/ngsi_entity.md b/docs/en/custom_nodes/ngsi_entity.md
index a2d73b4..c7b88bd 100644
--- a/docs/en/custom_nodes/ngsi_entity.md
+++ b/docs/en/custom_nodes/ngsi_entity.md
@@ -30,6 +30,7 @@ It allows to create a NGSIv2 entity.
 -   `ServicePath`: FIWARE Service Path
 -   `Action type`: `create`
 -   `Representation`: normalized or keyValues
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -91,6 +92,7 @@ It allows to read a NGSIv2 entity.
 -   `attributes`: list of attributes of an entity to be read
 -   `Representation`: normalized or keyValues
 -   `Date Modified`: retrieve attribute and metadata of dateModified
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -158,6 +160,7 @@ It allows to upsert a NGSIv2 entity.
 -   `ServicePath`: FIWARE Service Path
 -   `Action type`: `upsert`
 -   `Representation`: normalized or keyValues
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -216,6 +219,7 @@ It allows to delete a NGSIv2 entity.
 -   `Action type`: `delete`
 -   `Entity id`: id of an entity to be deleted
 -   `Entity type`: type of an entity to be deleted
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -262,6 +266,7 @@ It allows to create, read, upsert or delete a NGSIv2 entity.
 -   `Entity type`: Type of an entity to be created, read, upserted or deleted
 -   `Representation`: normalized or keyValues
 -   `Date Modified`: retrieve attribute and metadata of dateModified
+-   `Encode / Decode forbidden chars`: `off` or `on`
 
 ### Input (create)
 
@@ -413,4 +418,4 @@ A `msg.statusCode` contains a status code.
 
 ```text
 204
-```
\ No newline at end of file
+```
diff --git a/docs/en/custom_nodes/ngsi_source.md b/docs/en/custom_nodes/ngsi_source.md
index de67297..f29c4c0 100644
--- a/docs/en/custom_nodes/ngsi_source.md
+++ b/docs/en/custom_nodes/ngsi_source.md
@@ -29,6 +29,7 @@ This custom node is a simple node that allows to obtain NGSIv2 entities.
 -   `Attrs`: list of attributes to retrieve
 -   `Query`: query conditions using Simple Query Language
 -   `Buffering`: whether to output all retrieved entities at once
+-   `Decode forbidden chars`: `off` or `on`
 
 ## Input
 
diff --git a/docs/en/custom_nodes/ngsi_timeseries.md b/docs/en/custom_nodes/ngsi_timeseries.md
index 38296c9..b958097 100644
--- a/docs/en/custom_nodes/ngsi_timeseries.md
+++ b/docs/en/custom_nodes/ngsi_timeseries.md
@@ -36,6 +36,7 @@ It allows to list of all the entity id available.
 -   `Unit for date`: Unit for to date
 -   `Limit`: Maximum number of results to retrieve in a single response
 -   `Offset`: Offset to apply to the response results
+-   `Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -95,6 +96,7 @@ It allows to query history of attribute(s) (values only) of a given entity.
 -   `Coords`: Specifies the reference shape (geometry) in terms of WGS 84 coordinates
 -   `Limit`: Maximum number of results to retrieve in a single response
 -   `Offset`: Offset to apply to the response results
+-   `Decode forbidden chars`: `off` or `on`
 
 ### Entity attributes
 
@@ -343,6 +345,7 @@ It allows to query history of attribute(s) (values only) of N entities of the sa
 -   `Coords`: Specifies the reference shape (geometry) in terms of WGS 84 coordinates
 -   `Limit`: Maximum number of results to retrieve in a single response
 -   `Offset`: Offset to apply to the response results
+-   `Decode forbidden chars`: `off` or `on`
 
 ### Type entity
 
@@ -601,6 +604,7 @@ It allows to query history of N attribute(s) (values only) of N entities of N ty
 -   `Coords`: Specifies the reference shape (geometry) in terms of WGS 84 coordinates
 -   `Limit`: Maximum number of results to retrieve in a single response
 -   `Offset`: Offset to apply to the response results
+-   `Decode forbidden chars`: `off` or `on`
 
 ### Attributes
 
diff --git a/docs/en/custom_nodes/ngsi_types.md b/docs/en/custom_nodes/ngsi_types.md
index 7d260a8..4fa455c 100644
--- a/docs/en/custom_nodes/ngsi_types.md
+++ b/docs/en/custom_nodes/ngsi_types.md
@@ -29,6 +29,7 @@ It allows to retrieve a list of entity types.
 -   `Action Type`: `List Entity Types`
 -   `Values`: If true, the response payload is a JSON array with a list of entity types
 -   `NoAttrDetail`: If true, the request does not provide attribute type details
+-   `Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -109,6 +110,7 @@ It allows to retrieve entity information for a given type.
 -   `Action Type`: `Entity information for a given type`
 -   `Entity type`: Type of Entity to retrieve an entity information
 -   `NoAttrDetail`: If true, the request does not provide attribute type details
+-   `Decode forbidden chars`: `off` or `on`
 
 ### Input
 
@@ -187,7 +189,7 @@ It allows to retrieve a list of entity types or entity information for a given t
 -   `Entity type`: Type of Entity to retrieve an entity information
 -   `Values`: If true, the response payload is a JSON array with a list of entity types
 -   `NoAttrDetail`: If true, the request does not provide attribute type details
-
+-   `Decode forbidden chars`: `off` or `on`
 
 ### Input (types)
 
@@ -323,4 +325,4 @@ A `msg.statusCode` contains a status code.
 
 ```
 200
-```
\ No newline at end of file
+```
diff --git a/docs/ja/custom_nodes/historical_context.md b/docs/ja/custom_nodes/historical_context.md
index 68f0d22..a354d90 100644
--- a/docs/ja/custom_nodes/historical_context.md
+++ b/docs/ja/custom_nodes/historical_context.md
@@ -68,6 +68,7 @@
 -   `Unit for data to`: 最終日時の単位
 -   `Output type`: `raw`, `value` または `dashboard`
 -   `Count`: 要素の総数
+-   `Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -129,6 +130,7 @@ statusCode *Number*
 -   `Date to`: 未加工のコンテキスト情報が必要な最終日時。これはオプションのパラメーターです
 -   `Unit for data to`: 最終日時の単位
 -   `Output type`: `raw`, `value` または `dashboard`
+-   `Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
diff --git a/docs/ja/custom_nodes/ngsi_attribute.md b/docs/ja/custom_nodes/ngsi_attribute.md
index 5426829..77d8103 100644
--- a/docs/ja/custom_nodes/ngsi_attribute.md
+++ b/docs/ja/custom_nodes/ngsi_attribute.md
@@ -35,6 +35,7 @@ NGSIv2 エンティティの属性を読み取ることができます。
 -   `Attribute name`: 読み取る属性の名前
 -   `Metadata`: 属性を読み取る属性名
 -   `Skip forwarding`: Context Broker は Context Provider への転送をスキップします
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -102,6 +103,7 @@ NGSIv2 エンティティの属性を更新できます。
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -143,6 +145,7 @@ NGSIv2 エンティティの属性を削除できます。
 -   `Entity id`: 削除する属性のエンティティ id
 -   `Entity type`: 削除する属性のエンティティ・タイプ
 -   `Attribute name`: 削除する属性の名前
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -200,6 +203,7 @@ NGSIv2 エンティティの属性の読み取り、更新、または削除が
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力 1
 
@@ -282,4 +286,4 @@ statusCode *Number*
 
 ```
 204
-```
\ No newline at end of file
+```
diff --git a/docs/ja/custom_nodes/ngsi_attribute_value.md b/docs/ja/custom_nodes/ngsi_attribute_value.md
index 4ca7547..95fca2b 100644
--- a/docs/ja/custom_nodes/ngsi_attribute_value.md
+++ b/docs/ja/custom_nodes/ngsi_attribute_value.md
@@ -33,6 +33,7 @@ NGSIv2 エンティティの属性値を読み取ることができます。
 -   `Entity type`: 読み取る属性値のエンティティ・タイプ
 -   `Attribute name`: 読み取る属性値の属性名
 -   `Skip forwarding`: Context Broker は Context Provider への転送をスキップします
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -90,6 +91,7 @@ NGSIv2 エンティティの属性値を更新できます。
 -   `Attribute name`: 更新する属性値の属性名
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -153,6 +155,7 @@ NGSIv2 エンティティの属性値を読み取ったり、更新したりで
 -   `Skip forwarding`: Context Broker は Context Provider への転送をスキップします
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力 1
 
@@ -261,4 +264,4 @@ statusCode *Number*
 
 ```
 204
-```
\ No newline at end of file
+```
diff --git a/docs/ja/custom_nodes/ngsi_attributes.md b/docs/ja/custom_nodes/ngsi_attributes.md
index 38a4567..6fa004a 100644
--- a/docs/ja/custom_nodes/ngsi_attributes.md
+++ b/docs/ja/custom_nodes/ngsi_attributes.md
@@ -37,6 +37,7 @@ NGSIv2 エンティティの複数属性を追加できます。
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -84,6 +85,7 @@ NGSIv2 エンティティの複数属性を更新できます。
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -131,6 +133,7 @@ NGSIv2 エンティティの複数属性をアップサートできます。
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -183,6 +186,7 @@ NGSIv2 エンティティの複数属性を置換できます。
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -240,6 +244,7 @@ NGSIv2 エンティティの複数属性を追加、更新、アップサート
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode forbidden chars`: `off` または `on`
 
 ### 入力
 
diff --git a/docs/ja/custom_nodes/ngsi_batch_update.md b/docs/ja/custom_nodes/ngsi_batch_update.md
index 6926ae0..bcb565b 100644
--- a/docs/ja/custom_nodes/ngsi_batch_update.md
+++ b/docs/ja/custom_nodes/ngsi_batch_update.md
@@ -37,6 +37,7 @@
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -95,6 +96,7 @@ statusCode *Number*
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -153,6 +155,7 @@ statusCode *Number*
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -211,6 +214,7 @@ statusCode *Number*
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -269,6 +273,7 @@ statusCode *Number*
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -325,6 +330,7 @@ statusCode *Number*
 -   `Override metadata`: true の場合、既存のメタデータを置き換えます
 -   `Forced update`: true の場合、一致するサブスクリプションをトリガーします
 -   `Flow control`: true の場合、フロー制御メカニズムが有効になります
+-   `Encode forbidden chars`: `off` または `on`
 
 ### 入力 (append)
 
@@ -539,4 +545,4 @@ statusCode *Number*
 
 ```text
 204
-```
\ No newline at end of file
+```
diff --git a/docs/ja/custom_nodes/ngsi_entity.md b/docs/ja/custom_nodes/ngsi_entity.md
index 2445805..f26aa83 100644
--- a/docs/ja/custom_nodes/ngsi_entity.md
+++ b/docs/ja/custom_nodes/ngsi_entity.md
@@ -32,6 +32,7 @@ NGSIv2 エンティティを作成できます。
 -   `ServicePath`: FIWARE Service Path
 -   `Action type`: `create`
 -   `Representation`: `normalized` または `keyValues`
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -95,6 +96,7 @@ NGSIv2 エンティティを読み取ることができます。
 -   `attributes`: 読み取るエンティティの属性のリスト
 -   `Representation`: `normalized` または `keyValues`
 -   `Date Modified`: true の場合、dateModified の属性とメタデータを取得します
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -164,6 +166,7 @@ NGSIv2 エンティティをアップサート (upsert) できます。
 -   `ServicePath`: FIWARE Service Path
 -   `Action type`: `upsert`
 -   `Representation`: `normalized` または `keyValues`
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -224,6 +227,7 @@ NGSIv2 エンティティを削除できます。
 -   `Action type`: `delete`
 -   `Entity id`: 削除するエンティティの id
 -   `Entity type`: 削除するエンティティのタイプ
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -272,6 +276,7 @@ NGSIv2 エンティティの属性を作成、読み取り、アップサート
 -   `Entity type`: 作成、読み取り、アップサート、または削除するエンティティのタイプ
 -   `Representation`: `normalized` または `keyValues`
 -   `Date Modified`: true の場合、dateModified の属性とメタデータを取得します
+-   `Encode / Decode forbidden chars`: `off` または `on`
 
 ### 入力 (create)
 
@@ -423,4 +428,4 @@ statusCode *Number*
 
 ```text
 204
-```
\ No newline at end of file
+```
diff --git a/docs/ja/custom_nodes/ngsi_source.md b/docs/ja/custom_nodes/ngsi_source.md
index a8edf75..cef7eda 100644
--- a/docs/ja/custom_nodes/ngsi_source.md
+++ b/docs/ja/custom_nodes/ngsi_source.md
@@ -31,6 +31,7 @@
 -   `Attrs`: 読み取り対象となるエンティティの属性のリスト
 -   `Query`: Simple Query Language を使用したクエリ条件
 -   `Buffering`: 取得したすべてのエンティティを一度に出力するかどうか
+-   `Decode forbidden chars`: `off` または `on`
 
 <a name="input"></a>
 
diff --git a/docs/ja/custom_nodes/ngsi_timeseries.md b/docs/ja/custom_nodes/ngsi_timeseries.md
index 6ca3778..8a90702 100644
--- a/docs/ja/custom_nodes/ngsi_timeseries.md
+++ b/docs/ja/custom_nodes/ngsi_timeseries.md
@@ -38,6 +38,7 @@
 -   `Unit for date`: 終了日時の単位
 -   `Limit`: 1回のレスポンスで取得する結果の最大数
 -   `Offset`: レスポンス結果に適用するオフセット
+-   `Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -99,6 +100,7 @@ statusCode *Number*
 -   `Coords`: WGS 84 座標で参照形状 (ジオメトリ) を指定
 -   `Limit`: 1回のレスポンスで取得する結果の最大数
 -   `Offset`: レスポンス結果に適用するオフセット
+-   `Decode forbidden chars`: `off` または `on`
 
 ### Entity attributes
 
@@ -349,6 +351,7 @@ statusCode *Number*
 -   `Coords`: WGS 84 座標で参照形状 (ジオメトリ) を指定
 -   `Limit`: 1回のレスポンスで取得する結果の最大数
 -   `Offset`: レスポンス結果に適用するオフセット
+-   `Decode forbidden chars`: `off` または `on`
 
 ### Type entity
 
@@ -609,6 +612,7 @@ N タイプの N エンティティの N 属性 (値のみ) の履歴をクエ
 -   `Coords`: WGS 84 座標で参照形状 (ジオメトリ) を指定
 -   `Limit`: 1回のレスポンスで取得する結果の最大数
 -   `Offset`: レスポンス結果に適用するオフセット
+-   `Decode forbidden chars`: `off` または `on`
 
 ### Attributes
 
diff --git a/docs/ja/custom_nodes/ngsi_types.md b/docs/ja/custom_nodes/ngsi_types.md
index a4d3e89..ab36d98 100644
--- a/docs/ja/custom_nodes/ngsi_types.md
+++ b/docs/ja/custom_nodes/ngsi_types.md
@@ -32,6 +32,7 @@
 -   `Action Type`: `List Entity Types`
 -   `Values`: true の場合、レスポンス・ペイロードは、エンティティ・タイプのリストを含む JSON 配列です。
 -   `NoAttrDetail`: true の場合、リクエストは属性タイプの詳細を提供しません
+-   `Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -114,7 +115,7 @@ statusCode *Number*
 -   `Action Type`: `Entity information for a given type`
 -   `Entity type`: エンティティ情報を取得するエンティティのタイプ
 -   `NoAttrDetail`: true の場合、リクエストは属性タイプの詳細を提供しません
-
+-   `Decode forbidden chars`: `off` または `on`
 
 ### 入力
 
@@ -195,6 +196,7 @@ statusCode *Number*
 -   `Entity type`: エンティティ情報を取得するエンティティのタイプ
 -   `Values`: true の場合、レスポンス・ペイロードは、エンティティ・タイプのリストを含む JSON 配列です。
 -   `NoAttrDetail`: true の場合、リクエストは属性タイプの詳細を提供しません
+-   `Decode forbidden chars`: `off` または `on`
 
 ### 入力 (types)
 
@@ -322,4 +324,4 @@ statusCode *Number*
 
 ```text
 200
-```
\ No newline at end of file
+```
diff --git a/src/nodes/NGSI/attribute-value/attribute-value.html b/src/nodes/NGSI/attribute-value/attribute-value.html
index 9219cf3..41a32c9 100644
--- a/src/nodes/NGSI/attribute-value/attribute-value.html
+++ b/src/nodes/NGSI/attribute-value/attribute-value.html
@@ -130,6 +130,13 @@
             <option value="true">true</option>
         </select>
     </div>
+    <div class="form-row">
+        <label for="node-input-forbidden"><i class="fa fa-tag"></i> Encode / Decode forbidden chars</label>
+        <select id="node-input-forbidden">
+            <option value="false" selected>off</option>
+            <option value="true">on</option>
+        </select>
+    </div>
 </script>
 
 <script type="text/x-red" data-help-name="NGSI Attribute value">
diff --git a/src/nodes/NGSI/attribute-value/attribute-value.js b/src/nodes/NGSI/attribute-value/attribute-value.js
index b7acfef..1e07e03 100644
--- a/src/nodes/NGSI/attribute-value/attribute-value.js
+++ b/src/nodes/NGSI/attribute-value/attribute-value.js
@@ -30,9 +30,9 @@
 
 const lib = require('../../../lib.js');
 
-const typeConversion = function (value) {
+const typeConversion = function (value, forbidden) {
   if (typeof value === 'object') {
-    return value;
+    return lib.decodeNGSI(value, forbidden);
   }
   if (typeof value === 'boolean') {
     return value;
@@ -43,6 +43,9 @@ const typeConversion = function (value) {
   if (!isNaN(value)) {
     return Number(value);
   }
+  if (typeof value === 'string') {
+    return forbidden ? lib.decodeforbiddenChar(value) : value;
+  }
 
   return value;
 };
@@ -57,7 +60,7 @@ const attrValue = async function (msg, param) {
   };
 
   if (typeof param.config.value !== 'undefined') {
-    options.data = param.config.value;
+    options.data = lib.encodeNGSI(param.config.value, param.config.forbidden);
   }
 
   try {
@@ -65,7 +68,7 @@ const attrValue = async function (msg, param) {
     msg.payload = res.data;
     msg.statusCode = Number(res.status);
     if (res.status === 200 && param.config.actionType === 'read') {
-      msg.payload = typeConversion(res.data);
+      msg.payload = typeConversion(res.data, param.config.forbidden);
     } else if (res.status === 204 && param.config.actionType === 'update') {
       return;
     } else {
@@ -97,6 +100,7 @@ function createParam(msg, config, openAPIsConfig) {
     skipForwarding: config.skipForwarding === 'true',
     forcedUpdate: config.forcedUpdate === 'true',
     flowControl: config.flowControl === 'true',
+    forbidden: config.forbidden ? config.forbidden === 'true' : false,
   };
 
   if (defaultConfig.actionType === 'payload') {
@@ -128,7 +132,7 @@ function createParam(msg, config, openAPIsConfig) {
     return null;
   }
 
-  const options = ['skipForwarding', 'forcedUpdate', 'flowControl'];
+  const options = ['skipForwarding', 'forcedUpdate', 'flowControl', 'forbidden'];
 
   for (let i = 0; i < options.length; i++) {
     if (typeof defaultConfig[options[i]] !== 'boolean') {
diff --git a/src/nodes/NGSI/attribute/attribute.html b/src/nodes/NGSI/attribute/attribute.html
index 40ffbe2..f584d15 100644
--- a/src/nodes/NGSI/attribute/attribute.html
+++ b/src/nodes/NGSI/attribute/attribute.html
@@ -157,6 +157,13 @@
             <option value="true">true</option>
         </select>
     </div>
+    <div class="form-row">
+        <label for="node-input-forbidden"><i class="fa fa-tag"></i> Encode / Decode forbidden chars</label>
+        <select id="node-input-forbidden">
+            <option value="false" selected>off</option>
+            <option value="true">on</option>
+        </select>
+    </div>
 </script>
 
 <script type="text/x-red" data-help-name="NGSI Attribute">
diff --git a/src/nodes/NGSI/attribute/attribute.js b/src/nodes/NGSI/attribute/attribute.js
index ce06379..408f5bc 100644
--- a/src/nodes/NGSI/attribute/attribute.js
+++ b/src/nodes/NGSI/attribute/attribute.js
@@ -40,15 +40,16 @@ const httpRequest = async function (msg, param) {
   };
 
   if (param.config.actionType === 'update') {
-    options.data = param.config.attribute;
+    options.data = lib.encodeNGSI(param.config.attribute, param.config.forbidden);
   }
 
   try {
     const res = await lib.http(options);
     msg.payload = res.data;
     msg.statusCode = Number(res.status);
-    if ((res.status === 200 && param.config.actionType === 'read') ||
-      (res.status === 204 && (param.config.actionType === 'update' || param.config.actionType === 'delete'))) {
+    if (res.status === 200 && param.config.actionType === 'read') {
+      msg.payload = lib.decodeNGSI(res.data, param.config.forbidden);
+    } else if (res.status === 204 && (param.config.actionType === 'update' || param.config.actionType === 'delete')) {
       return;
     } else {
       this.error(`Error while managing attribute: ${res.status} ${res.statusText}`);
@@ -81,6 +82,7 @@ const createParam = function (msg, config, openAPIsConfig) {
     overrideMetadata: config.overrideMetadata === 'true',
     forcedUpdate: config.forcedUpdate === 'true',
     flowControl: config.flowControl === 'true',
+    forbidden: config.forbidden ? config.forbidden === 'true' : false,
   };
 
   if (!msg.payload) {
@@ -118,7 +120,7 @@ const createParam = function (msg, config, openAPIsConfig) {
     return null;
   }
 
-  const options = ['skipForwarding', 'overrideMetadata', 'forcedUpdate', 'flowControl'];
+  const options = ['skipForwarding', 'overrideMetadata', 'forcedUpdate', 'flowControl', 'forbidden'];
 
   for (let i = 0; i < options.length; i++) {
     if (typeof defaultConfig[options[i]] !== 'boolean') {
diff --git a/src/nodes/NGSI/attributes/attributes.html b/src/nodes/NGSI/attributes/attributes.html
index 9d687f1..3f6e1fe 100644
--- a/src/nodes/NGSI/attributes/attributes.html
+++ b/src/nodes/NGSI/attributes/attributes.html
@@ -114,6 +114,13 @@
             <option value="true">true</option>
         </select>
     </div>
+    <div class="form-row">
+        <label for="node-input-forbidden"><i class="fa fa-tag"></i> Encode forbidden chars</label>
+        <select id="node-input-forbidden">
+            <option value="false" selected>off</option>
+            <option value="true">on</option>
+        </select>
+    </div>
 </script>
 
 <script type="text/x-red" data-help-name="NGSI Attributes">
diff --git a/src/nodes/NGSI/attributes/attributes.js b/src/nodes/NGSI/attributes/attributes.js
index 7bf3c2a..f823dcf 100644
--- a/src/nodes/NGSI/attributes/attributes.js
+++ b/src/nodes/NGSI/attributes/attributes.js
@@ -39,7 +39,7 @@ const updateAttrs = async function (msg, param) {
     params: lib.buildParams(param.config),
   };
 
-  options.data = param.config.attributes;
+  options.data = lib.encodeNGSI(param.config.attributes, param.config.forbidden);
 
   try {
     const res = await lib.http(options);
@@ -76,6 +76,7 @@ const createParam = function (msg, config, openAPIsConfig) {
     overrideMetadata: config.overrideMetadata === 'true',
     forcedUpdate: config.forcedUpdate === 'true',
     flowControl: config.flowControl === 'true',
+    forbidden: config.forbidden ? config.forbidden === 'true' : false,
     append: false,
   };
 
@@ -105,7 +106,7 @@ const createParam = function (msg, config, openAPIsConfig) {
     return null;
   }
 
-  const options = ['keyValues', 'overrideMetadata', 'forcedUpdate', 'flowControl'];
+  const options = ['keyValues', 'overrideMetadata', 'forcedUpdate', 'flowControl', 'forbidden'];
 
   for (let i = 0; i < options.length; i++) {
     if (typeof defaultConfig[options[i]] !== 'boolean') {
diff --git a/src/nodes/NGSI/batch-update/batch-update.html b/src/nodes/NGSI/batch-update/batch-update.html
index 9dcdbfb..25a6805 100644
--- a/src/nodes/NGSI/batch-update/batch-update.html
+++ b/src/nodes/NGSI/batch-update/batch-update.html
@@ -105,6 +105,13 @@
             <option value="true">true</option>
         </select>
     </div>
+    <div class="form-row">
+        <label for="node-input-forbidden"><i class="fa fa-tag"></i> Encode forbidden chars</label>
+        <select id="node-input-forbidden">
+            <option value="false" selected>off</option>
+            <option value="true">on</option>
+        </select>
+    </div>
 </script>
 
 <script type="text/x-red" data-help-name="NGSI Batch update">
diff --git a/src/nodes/NGSI/batch-update/batch-update.js b/src/nodes/NGSI/batch-update/batch-update.js
index 9458752..3fbba06 100644
--- a/src/nodes/NGSI/batch-update/batch-update.js
+++ b/src/nodes/NGSI/batch-update/batch-update.js
@@ -36,7 +36,7 @@ const opUpdate = async function (msg, param) {
     baseURL: param.host,
     url: param.pathname,
     headers: await lib.buildHTTPHeader(param),
-    data: param.config.data,
+    data: lib.encodeNGSI(param.config.data, param.config.forbidden),
   };
 
   try {
@@ -73,6 +73,7 @@ const createParam = function (msg, config, openAPIsConfig) {
     overrideMetadata: config.overrideMetadata === 'true',
     forcedUpdate: config.forcedUpdate === 'true',
     flowControl: config.flowControl === 'true',
+    forbidden: config.forbidden ? config.forbidden === 'true' : false,
   };
 
   if (!msg.payload || !(typeof msg.payload === 'object')) {
diff --git a/src/nodes/NGSI/entity/entity.html b/src/nodes/NGSI/entity/entity.html
index fa26973..2c33a91 100644
--- a/src/nodes/NGSI/entity/entity.html
+++ b/src/nodes/NGSI/entity/entity.html
@@ -138,6 +138,13 @@
             <option value="true">true</option>
         </select>
     </div>
+    <div class="form-row">
+        <label for="node-input-forbidden"><i class="fa fa-tag"></i> Encode / Decode forbidden chars</label>
+        <select id="node-input-forbidden">
+            <option value="false" selected>off</option>
+            <option value="true">on</option>
+        </select>
+    </div>
 </script>
 
 <script type="text/x-red" data-help-name="NGSI Entity">
diff --git a/src/nodes/NGSI/entity/entity.js b/src/nodes/NGSI/entity/entity.js
index acfde88..c69e86c 100644
--- a/src/nodes/NGSI/entity/entity.js
+++ b/src/nodes/NGSI/entity/entity.js
@@ -40,15 +40,16 @@ const httpRequest = async function (msg, param) {
   };
 
   if (param.config.actionType === 'create' || param.config.actionType === 'upsert') {
-    options.data = param.config.entity;
+    options.data = lib.encodeNGSI(param.config.entity, param.config.forbidden);
   }
 
   try {
     const res = await lib.http(options);
     msg.payload = res.data;
     msg.statusCode = Number(res.status);
-    if ((res.status === 200 && param.config.actionType === 'read') ||
-      (res.status === 201 && param.config.actionType === 'create') ||
+    if (res.status === 200 && param.config.actionType === 'read') {
+      msg.payload = lib.decodeNGSI(res.data, param.config.forbidden);
+    } else if ((res.status === 201 && param.config.actionType === 'create') ||
       (res.status === 204 && (param.config.actionType === 'upsert' || param.config.actionType === 'delete'))) {
       return;
     } else {
@@ -79,6 +80,7 @@ const createParam = function (msg, config, openAPIsConfig) {
     attrs: config.attrs.trim(),
     keyValues: config.keyValues === 'true',
     dateModified: config.dateModified === 'true',
+    forbidden: config.forbidden ? config.forbidden === 'true' : false,
   };
 
   if (!msg.payload) {
diff --git a/src/nodes/NGSI/historical-context/historical-context.html b/src/nodes/NGSI/historical-context/historical-context.html
index 624ce95..d128086 100644
--- a/src/nodes/NGSI/historical-context/historical-context.html
+++ b/src/nodes/NGSI/historical-context/historical-context.html
@@ -187,6 +187,13 @@
             <option value="true">true</option>
         </select>
     </div>
+    <div class="form-row">
+        <label for="node-input-forbidden"><i class="fa fa-tag"></i> Decode forbidden chars</label>
+        <select id="node-input-forbidden">
+            <option value="false" selected>off</option>
+            <option value="true">on</option>
+        </select>
+    </div>
 </script>
 
 <script type="text/x-red" data-help-name="Historical Context">
diff --git a/src/nodes/NGSI/historical-context/historical-context.js b/src/nodes/NGSI/historical-context/historical-context.js
index b913fe0..92eaa50 100644
--- a/src/nodes/NGSI/historical-context/historical-context.js
+++ b/src/nodes/NGSI/historical-context/historical-context.js
@@ -83,7 +83,7 @@ const getHistoricalContext = async function (msg, param) {
 
   try {
     const res = await lib.http(options);
-    msg.payload = res.data;
+    msg.payload = lib.decodeNGSI(res.data, param.config.forbidden);
     msg.statusCode = Number(res.status);
     if (res.status === 200) {
       const count = res.headers['fiware-total-count'] ? res.headers['fiware-total-count'] : null;
@@ -191,6 +191,7 @@ const createParam = function (msg, config, openAPIsConfig) {
     toUnit: config.tounit.trim(),
     outputType: config.outputtype,
     count: config.count === 'true' ? 'true' : 'false',
+    forbidden: config.forbidden ? config.forbidden === 'true' : false,
   };
 
   const param = {
diff --git a/src/nodes/NGSI/source/source.html b/src/nodes/NGSI/source/source.html
index d465bec..ebd1e8a 100644
--- a/src/nodes/NGSI/source/source.html
+++ b/src/nodes/NGSI/source/source.html
@@ -97,6 +97,13 @@
             <option value="on">on</option>
         </select>
     </div>
+    <div class="form-row">
+        <label for="node-input-forbidden"><i class="fa fa-tag"></i> Decode forbidden chars</label>
+        <select id="node-input-forbidden">
+            <option value="false" selected>off</option>
+            <option value="true">on</option>
+        </select>
+    </div>
 </script>
 
 <script type="text/x-red" data-help-name="NGSI source">
diff --git a/src/nodes/NGSI/source/source.js b/src/nodes/NGSI/source/source.js
index 20c27d4..b903b4a 100644
--- a/src/nodes/NGSI/source/source.js
+++ b/src/nodes/NGSI/source/source.js
@@ -46,7 +46,7 @@ const getEntities = async function (msg, param) {
     try {
       const res = await lib.http(options);
       if (res.status === 200) {
-        param.buffer.send(res.data);
+        param.buffer.send(lib.decodeNGSI(res.data, param.config.forbidden));
         if (res.data.length === 0) {
           break;
         }
@@ -142,6 +142,7 @@ const createParam = function (msg, config, openAPIsConfig) {
     q: config.query.trim(),
     limit: 100,
     offset: 0,
+    forbidden: config.forbidden ? config.forbidden === 'true' : false,
   };
 
   if (!msg.payload) {
diff --git a/src/nodes/NGSI/timeseries/timeseries.html b/src/nodes/NGSI/timeseries/timeseries.html
index 1b5d3f4..9c4397d 100644
--- a/src/nodes/NGSI/timeseries/timeseries.html
+++ b/src/nodes/NGSI/timeseries/timeseries.html
@@ -239,6 +239,13 @@
         <label for="node-input-offset"><i class="fa fa-tag"></i> Offset</label>
         <input type="text" id="node-input-offset">
     </div>
+    <div class="form-row">
+        <label for="node-input-forbidden"><i class="fa fa-tag"></i> Decode forbidden chars</label>
+        <select id="node-input-forbidden">
+            <option value="false" selected>off</option>
+            <option value="true">on</option>
+        </select>
+    </div>
 </script>
 
 <script type="text/x-red" data-help-name="NGSI timeseries">
diff --git a/src/nodes/NGSI/timeseries/timeseries.js b/src/nodes/NGSI/timeseries/timeseries.js
index 5610992..fbe4898 100644
--- a/src/nodes/NGSI/timeseries/timeseries.js
+++ b/src/nodes/NGSI/timeseries/timeseries.js
@@ -41,7 +41,7 @@ const httpRequest = async function (msg, param) {
 
   try {
     const res = await lib.http(options);
-    msg.payload = res.data;
+    msg.payload = lib.decodeNGSI(res.data, param.config.forbidden);
     msg.statusCode = Number(res.status);
     if (res.status === 200) {
       return;
@@ -62,6 +62,7 @@ const httpRequest = async function (msg, param) {
 
 const paramsString = ['id', 'type', 'attrName', 'aggrMethod', 'aggrPeriod', 'fromDate', 'fromUnit', 'toDate', 'toUnit', 'georel', 'geometry', 'coords'];
 const paramsNumber = ['lastN', 'offset', 'limit'];
+const paramBoolean = ['value', 'forbidden'];
 const actionTypeList = ['entities', 'entity', 'type', 'attribute'];
 
 const validateConfig = function (msg, config) {
@@ -81,9 +82,12 @@ const validateConfig = function (msg, config) {
     }
   }
 
-  if (typeof config.value !== 'boolean') {
-    msg.payload = { error: 'value not Boolean' };
-    return false;
+  for (let i = 0; i < paramBoolean.length; i++) {
+    const e = paramBoolean[i];
+    if (typeof config[e] !== 'boolean') {
+      msg.payload = { error: e + ' not Boolean' };
+      return false;
+    }
   }
 
   if (!actionTypeList.includes(config.actionType)) {
@@ -150,6 +154,7 @@ const createParam = function (msg, config, openAPIsConfig) {
     value: config.value === 'true',
     limit: config.limit.trim(),
     offset: config.offset.trim(),
+    forbidden: config.forbidden ? config.forbidden === 'true' : false,
   };
 
   if (!msg.payload || typeof msg.payload !== 'object' || Array.isArray(msg.payload)) {
diff --git a/src/nodes/NGSI/types/types.html b/src/nodes/NGSI/types/types.html
index af5b807..ff6c01b 100644
--- a/src/nodes/NGSI/types/types.html
+++ b/src/nodes/NGSI/types/types.html
@@ -112,6 +112,13 @@
             <option value="true">true</option>
         </select>
     </div>
+    <div class="form-row">
+        <label for="node-input-forbidden"><i class="fa fa-tag"></i> Decode forbidden chars</label>
+        <select id="node-input-forbidden">
+            <option value="false" selected>off</option>
+            <option value="true">on</option>
+        </select>
+    </div>
 </script>
 
 <script type="text/x-red" data-help-name="NGSI Types">
diff --git a/src/nodes/NGSI/types/types.js b/src/nodes/NGSI/types/types.js
index ca72c8f..98f2a9c 100644
--- a/src/nodes/NGSI/types/types.js
+++ b/src/nodes/NGSI/types/types.js
@@ -91,7 +91,7 @@ const getType = async function (msg, param) {
 
   try {
     const res = await lib.http(options);
-    msg.payload = res.data;
+    msg.payload = lib.decodeNGSI(res.data, param.config.forbidden);
     msg.statusCode = Number(res.status);
     if (res.status === 200) {
       return;
@@ -121,6 +121,7 @@ const createParam = function (msg, config, openAPIsConfig) {
     noAttrDetail: config.noAttrDetail === 'true',
     limit: 20,
     offset: 0,
+    forbidden: config.forbidden ? config.forbidden === 'true' : false,
   };
 
   if (defaultConfig.actionType === 'payload') {
diff --git a/test/unit/attribute-value_spec.js b/test/unit/attribute-value_spec.js
index 51f794e..56cc87f 100644
--- a/test/unit/attribute-value_spec.js
+++ b/test/unit/attribute-value_spec.js
@@ -47,52 +47,73 @@ describe('attribute-value.js', () => {
     it('null', async () => {
       const typeConversion = attributeValueNode.__get__('typeConversion');
 
-      const actual = typeConversion('null');
+      const actual = typeConversion('null', false);
 
       assert.equal(actual, null);
     });
     it('number', async () => {
       const typeConversion = attributeValueNode.__get__('typeConversion');
 
-      const actual = typeConversion('123');
+      const actual = typeConversion('123', false);
 
       assert.equal(actual, 123);
     });
     it('string', async () => {
       const typeConversion = attributeValueNode.__get__('typeConversion');
 
-      const actual = typeConversion('abc');
+      const actual = typeConversion('abc', false);
 
       assert.equal(actual, 'abc');
     });
+    it('string - forbidden false', async () => {
+      const typeConversion = attributeValueNode.__get__('typeConversion');
+
+      const actual = typeConversion('%3C%3E', false);
+
+      assert.equal(actual, '%3C%3E');
+    });
+    it('string - forbidden true', async () => {
+      const typeConversion = attributeValueNode.__get__('typeConversion');
+
+      const actual = typeConversion('%3C%3E', true);
+
+      assert.equal(actual, '<>');
+    });
     it('boolean - true', async () => {
       const typeConversion = attributeValueNode.__get__('typeConversion');
 
-      const actual = typeConversion(true);
+      const actual = typeConversion(true, false);
 
       assert.equal(actual, true);
     });
     it('boolean - false', async () => {
       const typeConversion = attributeValueNode.__get__('typeConversion');
 
-      const actual = typeConversion(false);
+      const actual = typeConversion(false, false);
 
       assert.equal(actual, false);
     });
     it('JSON Object', async () => {
       const typeConversion = attributeValueNode.__get__('typeConversion');
 
-      const actual = typeConversion({ 'abc': 123 });
+      const actual = typeConversion({ 'abc': 123 }, false);
 
       assert.deepEqual(actual, { 'abc': 123 });
     });
     it('Array', async () => {
       const typeConversion = attributeValueNode.__get__('typeConversion');
 
-      const actual = typeConversion(['abc', 123]);
+      const actual = typeConversion(['abc', 123], false);
 
       assert.deepEqual(actual, ['abc', 123]);
     });
+    it('Function', async () => {
+      const typeConversion = attributeValueNode.__get__('typeConversion');
+
+      const actual = typeConversion(() => { }, false);
+
+      assert.equal(typeof actual, 'function');
+    });
   });
   describe('attrValue', () => {
     afterEach(() => {
@@ -107,6 +128,8 @@ describe('attribute-value.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const attrValue = attributeValueNode.__get__('attrValue');
 
@@ -132,6 +155,8 @@ describe('attribute-value.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const attrValue = attributeValueNode.__get__('attrValue');
 
@@ -155,6 +180,8 @@ describe('attribute-value.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const attrValue = attributeValueNode.__get__('attrValue');
 
@@ -185,6 +212,8 @@ describe('attribute-value.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const attrValue = attributeValueNode.__get__('attrValue');
 
@@ -211,6 +240,8 @@ describe('attribute-value.js', () => {
         http: async () => Promise.reject({ message: 'unknown error' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const attrValue = attributeValueNode.__get__('attrValue');
 
@@ -264,6 +295,7 @@ describe('attribute-value.js', () => {
           type: 'T',
           attrName: 'temperature',
           skipForwarding: false,
+          forbidden: false,
         },
         method: 'get',
       };
@@ -283,6 +315,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -300,6 +333,7 @@ describe('attribute-value.js', () => {
           type: 'T2',
           attrName: 'temp',
           skipForwarding: true,
+          forbidden: false,
         },
         method: 'get',
       };
@@ -319,6 +353,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -339,6 +374,7 @@ describe('attribute-value.js', () => {
           attrName: 'temperature',
           flowControl: false,
           forcedUpdate: false,
+          forbidden: false,
           value: 'true',
         },
       };
@@ -358,6 +394,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -378,6 +415,7 @@ describe('attribute-value.js', () => {
           attrName: 'temperature',
           flowControl: false,
           forcedUpdate: false,
+          forbidden: false,
           value: '25',
         },
       };
@@ -397,6 +435,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -417,6 +456,7 @@ describe('attribute-value.js', () => {
           attrName: 'temperature',
           flowControl: false,
           forcedUpdate: false,
+          forbidden: false,
           value: '"fiware"',
         },
       };
@@ -436,6 +476,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -456,6 +497,7 @@ describe('attribute-value.js', () => {
           attrName: 'temperature',
           flowControl: false,
           forcedUpdate: false,
+          forbidden: false,
           value: 'null',
         },
       };
@@ -475,11 +517,13 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: () => { }, service: 'openiot', servicepath: '/' };
 
       const actual = createParam(msg, config, openAPIsConfig);
 
+      assert.equal(typeof actual.getToken, 'function');
       actual.getToken = null;
 
       const expected = {
@@ -497,6 +541,7 @@ describe('attribute-value.js', () => {
           attrName: 'temperature',
           flowControl: false,
           forcedUpdate: false,
+          forbidden: false,
           value: 'null',
         },
       };
@@ -516,6 +561,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion-ld', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -537,6 +583,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -558,6 +605,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -579,6 +627,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -600,6 +649,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -621,6 +671,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -646,6 +697,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://orion:1026',
@@ -679,6 +731,7 @@ describe('attribute-value.js', () => {
         value: {},
         forcedUpdate: false,
         flowControl: false,
+        forbidden: false,
         service: 'openiot',
         servicepath: '/',
       });
@@ -695,6 +748,7 @@ describe('attribute-value.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:1026',
diff --git a/test/unit/attribute_spec.js b/test/unit/attribute_spec.js
index fd463cf..e315c33 100644
--- a/test/unit/attribute_spec.js
+++ b/test/unit/attribute_spec.js
@@ -53,6 +53,8 @@ describe('attribute.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = attributesNode.__get__('httpRequest');
 
@@ -79,6 +81,8 @@ describe('attribute.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = attributesNode.__get__('httpRequest');
 
@@ -106,6 +110,8 @@ describe('attribute.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = attributesNode.__get__('httpRequest');
 
@@ -129,6 +135,8 @@ describe('attribute.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request', data: undefined }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = attributesNode.__get__('httpRequest');
 
@@ -156,6 +164,8 @@ describe('attribute.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request', data: { description: 'error' } }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = attributesNode.__get__('httpRequest');
 
@@ -183,6 +193,8 @@ describe('attribute.js', () => {
         http: async () => Promise.reject({ message: 'unknown error' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = attributesNode.__get__('httpRequest');
 
@@ -240,6 +252,7 @@ describe('attribute.js', () => {
           id: 'E',
           type: 'T',
           skipForwarding: false,
+          forbidden: false,
         },
       };
 
@@ -259,6 +272,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -278,6 +292,7 @@ describe('attribute.js', () => {
           id: 'E',
           type: 'T',
           skipForwarding: false,
+          forbidden: false,
         },
       };
 
@@ -297,6 +312,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -318,6 +334,7 @@ describe('attribute.js', () => {
           overrideMetadata: false,
           flowControl: false,
           forcedUpdate: false,
+          forbidden: false,
         },
       };
 
@@ -337,6 +354,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -354,6 +372,7 @@ describe('attribute.js', () => {
           id: 'E',
           type: 'T',
           attrName: 'temperature',
+          forbidden: false,
         },
       };
 
@@ -373,11 +392,13 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: () => { }, service: 'openiot', servicepath: '/' };
 
       const actual = createParam(msg, config, openAPIsConfig);
 
+      assert.equal(typeof actual.getToken, 'function');
       actual.getToken = null;
 
       const expected = {
@@ -392,6 +413,7 @@ describe('attribute.js', () => {
           id: 'E',
           type: 'T',
           attrName: 'temperature',
+          forbidden: false,
         },
       };
 
@@ -411,6 +433,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         service: 'openiot',
       };
       const openAPIsConfig = { geType: 'orion-ld', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -434,6 +457,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         service: 'openiot',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -457,6 +481,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         service: 'openiot',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -480,6 +505,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         service: 'openiot',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -503,6 +529,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         service: 'openiot',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -526,6 +553,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         service: 'openiot',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -549,6 +577,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         service: 'openiot',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -573,6 +602,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         service: 'openiot',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -601,6 +631,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://orion:1026',
@@ -637,6 +668,7 @@ describe('attribute.js', () => {
         flowControl: false,
         service: 'openiot',
         servicepath: '/',
+        forbidden: false,
       });
     });
     it('ActionType error', async () => {
@@ -653,6 +685,7 @@ describe('attribute.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:1026',
diff --git a/test/unit/attributes_spec.js b/test/unit/attributes_spec.js
index 54f5fcc..570f64b 100644
--- a/test/unit/attributes_spec.js
+++ b/test/unit/attributes_spec.js
@@ -52,6 +52,8 @@ describe('attributes.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const updateAttrs = attributesNode.__get__('updateAttrs');
 
@@ -75,6 +77,8 @@ describe('attributes.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const updateAttrs = attributesNode.__get__('updateAttrs');
 
@@ -101,6 +105,8 @@ describe('attributes.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request', data: { description: 'error' } }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const updateAttrs = attributesNode.__get__('updateAttrs');
 
@@ -127,6 +133,8 @@ describe('attributes.js', () => {
         http: async () => Promise.reject({ message: 'unknown error' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const updateAttrs = attributesNode.__get__('updateAttrs');
 
@@ -183,6 +191,7 @@ describe('attributes.js', () => {
           overrideMetadata: false,
           flowControl: false,
           forcedUpdate: false,
+          forbidden: false,
           append: true,
           attributes: {},
         },
@@ -202,6 +211,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -223,6 +233,7 @@ describe('attributes.js', () => {
           overrideMetadata: false,
           flowControl: false,
           forcedUpdate: false,
+          forbidden: false,
           append: true,
           attributes: {},
         },
@@ -242,6 +253,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -263,6 +275,7 @@ describe('attributes.js', () => {
           overrideMetadata: false,
           flowControl: false,
           forcedUpdate: false,
+          forbidden: false,
           attributes: {},
         },
       };
@@ -281,6 +294,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -302,6 +316,7 @@ describe('attributes.js', () => {
           overrideMetadata: false,
           flowControl: false,
           forcedUpdate: false,
+          forbidden: false,
           attributes: {},
         },
       };
@@ -320,6 +335,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -341,6 +357,7 @@ describe('attributes.js', () => {
           overrideMetadata: false,
           flowControl: false,
           forcedUpdate: false,
+          forbidden: false,
           attributes: {}
         },
       };
@@ -359,12 +376,14 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: () => { }, service: 'openiot', servicepath: '/' };
 
       const actual = createParam(msg, config, openAPIsConfig);
 
+      assert.equal(typeof actual.getToken, 'function');
       actual.getToken = null;
 
       const expected = {
@@ -383,6 +402,7 @@ describe('attributes.js', () => {
           flowControl: false,
           forcedUpdate: false,
           append: true,
+          forbidden: false,
           attributes: {}
         },
       };
@@ -401,6 +421,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion-ld', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -422,6 +443,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -443,6 +465,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -464,6 +487,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -485,6 +509,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -506,6 +531,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -527,6 +553,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -553,6 +580,7 @@ describe('attributes.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
         append: 'false',
 
         openapis: {
@@ -589,6 +617,7 @@ describe('attributes.js', () => {
         overrideMetadata: false,
         forcedUpdate: false,
         flowControl: false,
+        forbidden: false,
         service: 'openiot',
         servicepath: '/',
       });
@@ -605,6 +634,7 @@ describe('attributes.js', () => {
         skipForwarding: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:1026',
diff --git a/test/unit/batch-update_spec.js b/test/unit/batch-update_spec.js
index 11d05d2..34896c7 100644
--- a/test/unit/batch-update_spec.js
+++ b/test/unit/batch-update_spec.js
@@ -51,6 +51,8 @@ describe('batch-update.js', () => {
         http: async () => Promise.resolve({ status: 204, statusText: 'No Content' }),
         buildHTTPHeader: () => { return {}; },
         buildSearchParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const param = {
         host: 'http://orion:1026',
@@ -69,6 +71,8 @@ describe('batch-update.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request' }),
         buildHTTPHeader: () => { return {}; },
         buildSearchParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const param = {
         host: 'http://orion:1026',
@@ -95,6 +99,8 @@ describe('batch-update.js', () => {
           }),
         buildHTTPHeader: () => { return {}; },
         buildSearchParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const param = {
         host: 'http://orion:1026',
@@ -116,6 +122,8 @@ describe('batch-update.js', () => {
         http: async () => Promise.reject({ message: 'unknown error' }),
         buildHTTPHeader: () => { return {}; },
         buildSearchParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const param = {
         host: 'http://orion:1026',
@@ -168,6 +176,7 @@ describe('batch-update.js', () => {
           overrideMetadata: false,
           forcedUpdate: false,
           flowControl: false,
+          forbidden: false,
         },
       };
 
@@ -184,6 +193,7 @@ describe('batch-update.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -206,6 +216,7 @@ describe('batch-update.js', () => {
           overrideMetadata: false,
           forcedUpdate: false,
           flowControl: false,
+          forbidden: false,
         },
       };
 
@@ -222,6 +233,7 @@ describe('batch-update.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -249,6 +261,7 @@ describe('batch-update.js', () => {
           overrideMetadata: false,
           forcedUpdate: false,
           flowControl: false,
+          forbidden: false,
         },
       };
 
@@ -265,6 +278,7 @@ describe('batch-update.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion-ld', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -284,6 +298,7 @@ describe('batch-update.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -303,6 +318,7 @@ describe('batch-update.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -322,6 +338,7 @@ describe('batch-update.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -341,6 +358,7 @@ describe('batch-update.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -360,6 +378,7 @@ describe('batch-update.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -384,6 +403,7 @@ describe('batch-update.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://orion:1026',
@@ -421,6 +441,7 @@ describe('batch-update.js', () => {
         overrideMetadata: 'false',
         forcedUpdate: 'false',
         flowControl: 'false',
+        forbidden: 'false',
 
         openapis: {
           borkerNedpoint: 'http://orion:1026',
diff --git a/test/unit/entity_spec.js b/test/unit/entity_spec.js
index fd5c28a..929aa2e 100644
--- a/test/unit/entity_spec.js
+++ b/test/unit/entity_spec.js
@@ -53,6 +53,8 @@ describe('entity.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = entityNode.__get__('httpRequest');
 
@@ -62,6 +64,7 @@ describe('entity.js', () => {
         pathname: '/entities/I',
         config: {
           actionType: 'read',
+          forbidden: false,
         },
       };
 
@@ -78,6 +81,8 @@ describe('entity.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = entityNode.__get__('httpRequest');
 
@@ -88,6 +93,7 @@ describe('entity.js', () => {
         config: {
           actionType: 'create',
           data: { 'id': 'I', 'type': 'E', 'temperature': { 'type': 'Number', 'value': 6, metadata: {} } },
+          forbidden: false,
         },
       };
 
@@ -104,6 +110,8 @@ describe('entity.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = entityNode.__get__('httpRequest');
 
@@ -114,6 +122,7 @@ describe('entity.js', () => {
         config: {
           actionType: 'upsert',
           data: { 'id': 'I', 'type': 'E', 'temperature': { 'type': 'Number', 'value': 6, metadata: {} } },
+          forbidden: false,
         },
       };
 
@@ -130,6 +139,8 @@ describe('entity.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = entityNode.__get__('httpRequest');
 
@@ -139,6 +150,7 @@ describe('entity.js', () => {
         pathname: '/entities/I',
         config: {
           actionType: 'delete',
+          forbidden: false,
         },
       };
 
@@ -152,6 +164,8 @@ describe('entity.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = entityNode.__get__('httpRequest');
 
@@ -161,6 +175,7 @@ describe('entity.js', () => {
         pathname: '/entities/I',
         config: {
           actionType: 'read',
+          forbidden: false,
         },
       };
 
@@ -178,6 +193,8 @@ describe('entity.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request', data: { description: 'error' } }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = entityNode.__get__('httpRequest');
 
@@ -187,6 +204,7 @@ describe('entity.js', () => {
         pathname: '/entities/I',
         config: {
           actionType: 'read',
+          forbidden: false,
         },
       };
 
@@ -204,6 +222,8 @@ describe('entity.js', () => {
         http: async () => Promise.reject({ message: 'unknown error' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = entityNode.__get__('httpRequest');
 
@@ -213,6 +233,7 @@ describe('entity.js', () => {
         pathname: '/entities/I',
         config: {
           actionType: 'read',
+          forbidden: false,
         },
       };
 
@@ -239,6 +260,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'false',
         dateModified: 'false',
+        forbidden: 'true',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -253,6 +275,7 @@ describe('entity.js', () => {
           servicepath: '/',
           actionType: 'create',
           keyValues: true,
+          forbidden: true,
           entity: {
             id: 'I',
             type: 'E',
@@ -289,6 +312,7 @@ describe('entity.js', () => {
           servicepath: '/',
           actionType: 'create',
           keyValues: true,
+          forbidden: false,
           entity: {
             id: 'E',
             type: 'T',
@@ -311,6 +335,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'false',
         dateModified: 'true',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -328,6 +353,7 @@ describe('entity.js', () => {
           type: 'E',
           keyValues: false,
           dateModified: true,
+          forbidden: false,
           attrs: 'dateModified,*',
           metadata: 'dateModified,*',
         },
@@ -348,6 +374,7 @@ describe('entity.js', () => {
         attrs: 'temperature',
         keyValues: 'false',
         dateModified: 'true',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -365,6 +392,7 @@ describe('entity.js', () => {
           type: 'E',
           keyValues: false,
           dateModified: true,
+          forbidden: false,
           attrs: 'temperature,dateModified',
           metadata: 'dateModified,*',
         },
@@ -385,6 +413,7 @@ describe('entity.js', () => {
         attrs: 'temperature',
         keyValues: 'false',
         dateModified: 'true',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -402,6 +431,7 @@ describe('entity.js', () => {
           type: 'E',
           keyValues: false,
           dateModified: true,
+          forbidden: false,
           attrs: 'temperature,dateModified',
           metadata: 'dateModified,*',
         },
@@ -422,6 +452,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'false',
         dateModified: 'true',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -437,6 +468,7 @@ describe('entity.js', () => {
           actionType: 'upsert',
           upsert: true,
           keyValues: false,
+          forbidden: false,
           entity: {
             id: 'I',
             type: 'E',
@@ -459,6 +491,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'false',
         dateModified: 'true',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -472,6 +505,7 @@ describe('entity.js', () => {
           service: 'openiot',
           servicepath: '/',
           actionType: 'delete',
+          forbidden: false,
           id: 'I',
           type: 'E',
         },
@@ -492,6 +526,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'true',
         dateModified: 'false',
+        forbidden: 'false',
       };
 
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: () => { }, service: 'openiot', servicepath: '/' };
@@ -512,7 +547,8 @@ describe('entity.js', () => {
           id: 'I',
           type: 'E',
           attrs: '',
-          dateModified: false
+          dateModified: false,
+          forbidden: false,
         },
         method: 'get',
       };
@@ -531,6 +567,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'true',
         dateModified: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion-ld', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -551,6 +588,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'true',
         dateModified: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -571,6 +609,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'true',
         dateModified: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -591,6 +630,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'true',
         dateModified: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -611,6 +651,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'true',
         dateModified: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -631,6 +672,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'true',
         dateModified: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -651,6 +693,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'true',
         dateModified: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -675,6 +718,7 @@ describe('entity.js', () => {
         attrs: '',
         keyValues: 'false',
         dateModified: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://orion:1026',
@@ -704,6 +748,7 @@ describe('entity.js', () => {
         'keyValues': false,
         'service': 'openiot',
         'servicepath': '/',
+        forbidden: false,
       });
     });
     it('ActionType error: append', async () => {
diff --git a/test/unit/historical-context_spec.js b/test/unit/historical-context_spec.js
index d42bd5d..e4ba461 100644
--- a/test/unit/historical-context_spec.js
+++ b/test/unit/historical-context_spec.js
@@ -118,6 +118,8 @@ describe('historical-context.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getHistoricalContext = historicalNode.__get__('getHistoricalContext');
 
@@ -152,6 +154,8 @@ describe('historical-context.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getHistoricalContext = historicalNode.__get__('getHistoricalContext');
 
@@ -182,6 +186,8 @@ describe('historical-context.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getHistoricalContext = historicalNode.__get__('getHistoricalContext');
 
@@ -213,6 +219,8 @@ describe('historical-context.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request', data: { description: 'error' } }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getHistoricalContext = historicalNode.__get__('getHistoricalContext');
 
@@ -246,6 +254,8 @@ describe('historical-context.js', () => {
         http: async () => Promise.reject({ message: 'unknown error' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getHistoricalContext = historicalNode.__get__('getHistoricalContext');
 
@@ -494,6 +504,7 @@ describe('historical-context.js', () => {
         'hOffset': null,
         'outputType': 'raw',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('raw with payload null', async () => {
@@ -516,6 +527,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'raw',
         count: 'false',
+        forbidden: 'false',
       };
       const openapis = {
         apiEndpoint: 'http://comet:8666',
@@ -543,6 +555,7 @@ describe('historical-context.js', () => {
         'hOffset': null,
         'outputType': 'raw',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('raw with payload string', async () => {
@@ -565,6 +578,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'raw',
         count: 'false',
+        forbidden: 'false',
       };
       const openapis = {
         apiEndpoint: 'http://comet:8666',
@@ -592,6 +606,7 @@ describe('historical-context.js', () => {
         'hOffset': null,
         'outputType': 'raw',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('value', async () => {
@@ -614,6 +629,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'value',
         count: 'false',
+        forbidden: 'false',
       };
 
       const openapis = {
@@ -642,6 +658,7 @@ describe('historical-context.js', () => {
         'hOffset': null,
         'outputType': 'value',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('ave', async () => {
@@ -664,6 +681,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'value',
         count: 'false',
+        forbidden: 'false',
       };
       const openapis = {
         apiEndpoint: 'http://comet:8666',
@@ -691,6 +709,7 @@ describe('historical-context.js', () => {
         'hOffset': null,
         'outputType': 'value',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('dashboard', async () => {
@@ -713,6 +732,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: 'false',
       };
 
       const openapis = {
@@ -741,6 +761,7 @@ describe('historical-context.js', () => {
         'hOffset': null,
         'outputType': 'dashboard',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('count', async () => {
@@ -763,6 +784,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'true',
+        forbidden: 'false',
       };
 
       const openapis = {
@@ -791,6 +813,7 @@ describe('historical-context.js', () => {
         'hOffset': 0,
         'outputType': 'dashboard',
         'count': 'true',
+        forbidden: false,
       });
     });
     it('historical is null', async () => {
@@ -813,6 +836,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: 'false',
       };
 
       const openapis = {
@@ -841,6 +865,7 @@ describe('historical-context.js', () => {
         'hOffset': 0,
         'outputType': 'dashboard',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('GE Type error', async () => {
@@ -863,6 +888,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: 'false',
       };
       const openapis = {
         apiEndpoint: 'http://comet:8666',
@@ -896,6 +922,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: 'false',
       };
 
       const openapis = {
@@ -930,6 +957,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: 'false',
       };
 
       const openapis = {
@@ -964,6 +992,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: 'false',
       };
 
       const openapis = {
@@ -1002,6 +1031,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'raw',
         count: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
@@ -1099,7 +1129,8 @@ describe('historical-context.js', () => {
         'hLimit': null,
         'hOffset': null,
         'outputType': 'raw',
-        'count': 'false',
+        count: 'false',
+        forbidden: false,
       });
     });
     it('raw with payload null', async () => {
@@ -1121,6 +1152,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'raw',
         count: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
@@ -1218,6 +1250,7 @@ describe('historical-context.js', () => {
         'hOffset': null,
         'outputType': 'raw',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('raw with payload string', async () => {
@@ -1239,6 +1272,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'raw',
         count: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
@@ -1336,6 +1370,7 @@ describe('historical-context.js', () => {
         'hOffset': null,
         'outputType': 'raw',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('value', async () => {
@@ -1357,6 +1392,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'value',
         count: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
@@ -1451,6 +1487,7 @@ describe('historical-context.js', () => {
         'hOffset': null,
         'outputType': 'value',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('ave', async () => {
@@ -1472,6 +1509,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'value',
         count: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
@@ -1554,6 +1592,7 @@ describe('historical-context.js', () => {
         'hOffset': null,
         'outputType': 'value',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('dashboard', async () => {
@@ -1575,6 +1614,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
@@ -1676,6 +1716,7 @@ describe('historical-context.js', () => {
         'hOffset': null,
         'outputType': 'dashboard',
         'count': 'false',
+        forbidden: false,
       });
     });
     it('count', async () => {
@@ -1697,6 +1738,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'true',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
@@ -1798,6 +1840,7 @@ describe('historical-context.js', () => {
         'hOffset': 0,
         'outputType': 'dashboard',
         'count': 'true',
+        forbidden: false,
       });
     });
     it('historical is null', async () => {
@@ -1819,6 +1862,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
@@ -1855,7 +1899,8 @@ describe('historical-context.js', () => {
         'hLimit': 3,
         'hOffset': 0,
         'outputType': 'dashboard',
-        'count': 'false',
+        count: 'false',
+        forbidden: false,
       });
     });
     it('GE Type error', async () => {
@@ -1877,6 +1922,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
@@ -1910,6 +1956,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
@@ -1943,6 +1990,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: false,
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
@@ -1976,6 +2024,7 @@ describe('historical-context.js', () => {
         tounit: '',
         outputtype: 'dashboard',
         count: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://comet:8666',
diff --git a/test/unit/source_spec.js b/test/unit/source_spec.js
index 65a7587..e118497 100644
--- a/test/unit/source_spec.js
+++ b/test/unit/source_spec.js
@@ -53,6 +53,8 @@ describe('source.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getEntities = sourceNode.__get__('getEntities');
       const nobuffering = sourceNode.__get__('nobuffering');
@@ -85,6 +87,8 @@ describe('source.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getEntities = sourceNode.__get__('getEntities');
       const nobuffering = sourceNode.__get__('nobuffering');
@@ -117,6 +121,8 @@ describe('source.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getEntities = sourceNode.__get__('getEntities');
       const nobuffering = sourceNode.__get__('nobuffering');
@@ -149,6 +155,8 @@ describe('source.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getEntities = sourceNode.__get__('getEntities');
       const nobuffering = sourceNode.__get__('nobuffering');
@@ -177,6 +185,8 @@ describe('source.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getEntities = sourceNode.__get__('getEntities');
       const nobuffering = sourceNode.__get__('nobuffering');
@@ -206,6 +216,8 @@ describe('source.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request', data: { description: 'error' } }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getEntities = sourceNode.__get__('getEntities');
       const nobuffering = sourceNode.__get__('nobuffering');
@@ -235,6 +247,8 @@ describe('source.js', () => {
         http: async () => Promise.reject({ message: 'unknown error' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getEntities = sourceNode.__get__('getEntities');
       const nobuffering = sourceNode.__get__('nobuffering');
@@ -408,6 +422,7 @@ describe('source.js', () => {
           q: '',
           limit: 100,
           offset: 0,
+          forbidden: false,
         },
       };
 
@@ -426,6 +441,7 @@ describe('source.js', () => {
         idpattern: '',
         attrs: '',
         query: '',
+        forbidden: 'false',
       };
 
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: () => { }, service: 'openiot', servicepath: '/' };
@@ -453,6 +469,7 @@ describe('source.js', () => {
           q: '',
           limit: 100,
           offset: 0,
+          forbidden: false,
         },
       };
 
@@ -470,6 +487,7 @@ describe('source.js', () => {
         idpattern: '',
         attrs: '',
         query: '',
+        forbidden: 'false',
       };
 
       const openAPIsConfig = { geType: 'orion-ld', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -492,6 +510,7 @@ describe('source.js', () => {
         idpattern: '',
         attrs: '',
         query: '',
+        forbidden: 'false',
       };
 
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -514,6 +533,7 @@ describe('source.js', () => {
         idpattern: '',
         attrs: '',
         query: '',
+        forbidden: 'false',
       };
 
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
@@ -540,6 +560,7 @@ describe('source.js', () => {
         attrs: '',
         query: '',
         buffering: 'on',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://orion:1026',
@@ -566,7 +587,8 @@ describe('source.js', () => {
         attrs: '',
         q: '',
         limit: 100,
-        offset: 0
+        offset: 0,
+        forbidden: false,
       });
     });
     it('FIWARE GE type not Orion', async () => {
@@ -580,6 +602,7 @@ describe('source.js', () => {
         attrs: 'temperature',
         query: 'temperature>20',
         buffering: 'off',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://orion:1026',
diff --git a/test/unit/timeseries_spec.js b/test/unit/timeseries_spec.js
index 4b5e66f..a1bc80e 100644
--- a/test/unit/timeseries_spec.js
+++ b/test/unit/timeseries_spec.js
@@ -59,6 +59,8 @@ describe('timeseries.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = timeseriesNode.__get__('httpRequest');
 
@@ -89,6 +91,8 @@ describe('timeseries.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = timeseriesNode.__get__('httpRequest');
 
@@ -108,6 +112,8 @@ describe('timeseries.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = timeseriesNode.__get__('httpRequest');
 
@@ -136,6 +142,8 @@ describe('timeseries.js', () => {
           }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = timeseriesNode.__get__('httpRequest');
 
@@ -159,6 +167,8 @@ describe('timeseries.js', () => {
         http: async () => Promise.reject({ message: 'unknown error' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const httpRequest = timeseriesNode.__get__('httpRequest');
 
@@ -201,6 +211,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: false,
+        forbidden: false,
         limit: '',
         offset: '',
       };
@@ -229,6 +240,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: false,
+        forbidden: false,
         limit: '',
         offset: '',
       };
@@ -257,6 +269,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: false,
+        forbidden: false,
         limit: '',
         offset: '',
       };
@@ -285,6 +298,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: false,
+        forbidden: false,
         limit: '',
         offset: '',
       };
@@ -313,6 +327,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: false,
+        forbidden: false,
         limit: '',
         offset: '',
       };
@@ -323,7 +338,7 @@ describe('timeseries.js', () => {
       assert.equal(actual, false);
       assert.deepEqual(msg, { payload: { error: 'lastN not Number' } });
     });
-    it('not Boolean', () => {
+    it('value not Boolean', () => {
       const validateConfig = timeseriesNode.__get__('validateConfig');
       const config = {
         actionType: 'entities',
@@ -341,6 +356,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: {},
+        forbidden: false,
         limit: '',
         offset: '',
       };
@@ -351,6 +367,35 @@ describe('timeseries.js', () => {
       assert.equal(actual, false);
       assert.deepEqual(msg, { payload: { error: 'value not Boolean' } });
     });
+    it('forbidden not Boolean', () => {
+      const validateConfig = timeseriesNode.__get__('validateConfig');
+      const config = {
+        actionType: 'entities',
+        id: '',
+        type: '',
+        attrName: '',
+        aggrMethod: '',
+        aggrPeriod: '',
+        lastN: '',
+        fromDate: '',
+        fromUnit: '',
+        toDate: '',
+        toUnit: '',
+        georel: '',
+        geometry: '',
+        coords: '',
+        value: false,
+        forbidden: {},
+        limit: '',
+        offset: '',
+      };
+
+      const msg = {};
+      const actual = validateConfig(msg, config);
+
+      assert.equal(actual, false);
+      assert.deepEqual(msg, { payload: { error: 'forbidden not Boolean' } });
+    });
     it('actionType error', () => {
       const validateConfig = timeseriesNode.__get__('validateConfig');
       const config = {
@@ -369,6 +414,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: false,
+        forbidden: false,
         limit: '',
         offset: '',
       };
@@ -397,6 +443,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: false,
+        forbidden: false,
         limit: '',
         offset: '',
       };
@@ -425,6 +472,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: false,
+        forbidden: false,
         limit: '',
         offset: '',
       };
@@ -453,6 +501,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: false,
+        forbidden: false,
         limit: '',
         offset: '',
       };
@@ -463,7 +512,7 @@ describe('timeseries.js', () => {
       assert.equal(actual, false);
       assert.deepEqual(msg, { payload: { error: 'geometry required if georel is specified' } });
     });
-    it('', () => {
+    it('coords required if georel is specified', () => {
       const validateConfig = timeseriesNode.__get__('validateConfig');
       const config = {
         actionType: 'entity',
@@ -481,6 +530,7 @@ describe('timeseries.js', () => {
         geometry: 'geo:distance',
         coords: '',
         value: false,
+        forbidden: false,
         limit: '',
         offset: '',
       };
@@ -544,6 +594,7 @@ describe('timeseries.js', () => {
           coords: '',
           limit: '',
           offset: '',
+          forbidden: false,
         },
       };
 
@@ -570,6 +621,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'false',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -600,6 +652,7 @@ describe('timeseries.js', () => {
           coords: '',
           limit: '',
           offset: '',
+          forbidden: false,
         },
       };
 
@@ -628,6 +681,7 @@ describe('timeseries.js', () => {
         value: 'false',
         limit: '',
         offset: '',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'quantumleap', apiEndpoint: 'quantumleap:8668', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -656,6 +710,7 @@ describe('timeseries.js', () => {
           coords: '',
           limit: '',
           offset: '',
+          forbidden: false,
         },
       };
 
@@ -684,6 +739,7 @@ describe('timeseries.js', () => {
         value: 'false',
         limit: '',
         offset: '',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'quantumleap', apiEndpoint: 'quantumleap:8668', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -712,6 +768,7 @@ describe('timeseries.js', () => {
           coords: '',
           limit: '',
           offset: '',
+          forbidden: false,
         },
       };
 
@@ -738,6 +795,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'false',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -768,6 +826,7 @@ describe('timeseries.js', () => {
           coords: '',
           limit: '',
           offset: '',
+          forbidden: false,
         },
       };
 
@@ -794,6 +853,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'false',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -824,6 +884,7 @@ describe('timeseries.js', () => {
           coords: '',
           limit: '',
           offset: '',
+          forbidden: false,
         },
       };
 
@@ -850,6 +911,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'false',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -880,6 +942,7 @@ describe('timeseries.js', () => {
           coords: '',
           limit: '',
           offset: '',
+          forbidden: false,
         },
       };
 
@@ -908,6 +971,7 @@ describe('timeseries.js', () => {
         value: 'false',
         limit: '',
         offset: '',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'quantumleap', apiEndpoint: 'quantumleap:8668', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -936,6 +1000,7 @@ describe('timeseries.js', () => {
           coords: '',
           limit: '',
           offset: '',
+          forbidden: false,
         },
       };
 
@@ -964,6 +1029,7 @@ describe('timeseries.js', () => {
         value: 'false',
         limit: '',
         offset: '',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'quantumleap', apiEndpoint: 'quantumleap:8668', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -992,6 +1058,7 @@ describe('timeseries.js', () => {
           coords: '',
           limit: '',
           offset: '',
+          forbidden: false,
         },
       };
 
@@ -1018,6 +1085,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'true',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -1048,6 +1116,7 @@ describe('timeseries.js', () => {
           coords: '',
           limit: '',
           offset: '',
+          forbidden: false,
         },
       };
 
@@ -1074,6 +1143,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'true',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -1106,6 +1176,7 @@ describe('timeseries.js', () => {
           coords: '',
           limit: '',
           offset: '',
+          forbidden: false,
         },
       };
 
@@ -1132,6 +1203,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'false',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -1163,6 +1235,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'false',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -1194,6 +1267,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'false',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -1225,6 +1299,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'true',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -1256,6 +1331,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'true',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -1287,6 +1363,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'true',
+        forbidden: 'false',
         limit: '',
         offset: '',
       };
@@ -1322,6 +1399,7 @@ describe('timeseries.js', () => {
         geometry: '',
         coords: '',
         value: 'false',
+        forbidden: 'false',
         limit: '',
         offset: '',
 
@@ -1383,6 +1461,7 @@ describe('timeseries.js', () => {
         coords: '',
         limit: '',
         offset: '',
+        forbidden: false,
       });
     });
     it('actionType not found', async () => {
@@ -1404,7 +1483,8 @@ describe('timeseries.js', () => {
         georel: '',
         geometry: '',
         coords: '',
-        value: false,
+        value: 'false',
+        forbidden: 'false',
         limit: '',
         offset: '',
 
diff --git a/test/unit/types_spec.js b/test/unit/types_spec.js
index 3de8f2c..6a1aa41 100644
--- a/test/unit/types_spec.js
+++ b/test/unit/types_spec.js
@@ -53,6 +53,8 @@ describe('types.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getTypes = typesNode.__get__('getTypes');
 
@@ -84,6 +86,8 @@ describe('types.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getTypes = typesNode.__get__('getTypes');
 
@@ -116,6 +120,8 @@ describe('types.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getTypes = typesNode.__get__('getTypes');
 
@@ -143,6 +149,8 @@ describe('types.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getTypes = typesNode.__get__('getTypes');
 
@@ -166,6 +174,8 @@ describe('types.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getTypes = typesNode.__get__('getTypes');
 
@@ -192,6 +202,8 @@ describe('types.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request', data: { description: 'error' } }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getTypes = typesNode.__get__('getTypes');
 
@@ -218,6 +230,8 @@ describe('types.js', () => {
         http: async () => Promise.reject({ message: 'unknown error' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getTypes = typesNode.__get__('getTypes');
 
@@ -253,6 +267,8 @@ describe('types.js', () => {
         }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const getType = typesNode.__get__('getType');
 
@@ -278,6 +294,8 @@ describe('types.js', () => {
         http: async () => Promise.resolve({ status: 400, statusText: 'Bad Request' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const gettype = typesNode.__get__('getType');
 
@@ -304,6 +322,8 @@ describe('types.js', () => {
         http: async () => Promise.reject({ message: 'unknown error' }),
         buildHTTPHeader: () => { return {}; },
         buildParams: () => new URLSearchParams(),
+        encodeNGSI: (data) => data,
+        decodeNGSI: (data) => data,
       });
       const gettype = typesNode.__get__('getType');
 
@@ -359,6 +379,7 @@ describe('types.js', () => {
           noAttrDetail: false,
           limit: 20,
           offset: 0,
+          forbidden: false,
         },
       };
 
@@ -374,6 +395,7 @@ describe('types.js', () => {
         entityType: '',
         values: 'false',
         noAttrDetail: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -396,6 +418,7 @@ describe('types.js', () => {
           noAttrDetail: false,
           limit: 20,
           offset: 0,
+          forbidden: false,
         },
       };
 
@@ -411,6 +434,7 @@ describe('types.js', () => {
         entityType: '',
         values: 'false',
         noAttrDetail: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -433,6 +457,7 @@ describe('types.js', () => {
           noAttrDetail: false,
           limit: 20,
           offset: 0,
+          forbidden: false,
         },
       };
 
@@ -448,6 +473,7 @@ describe('types.js', () => {
         entityType: '',
         values: 'false',
         noAttrDetail: 'false',
+        forbidden: 'false',
       };
 
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: () => { }, service: 'openiot', servicepath: '/' };
@@ -474,6 +500,7 @@ describe('types.js', () => {
           noAttrDetail: false,
           limit: 20,
           offset: 0,
+          forbidden: false,
         },
       };
 
@@ -489,6 +516,7 @@ describe('types.js', () => {
         entityType: '',
         values: 'false',
         noAttrDetail: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion-ld', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -506,6 +534,7 @@ describe('types.js', () => {
         entityType: '',
         values: 'false',
         noAttrDetail: 'false',
+        forbidden: 'false',
       };
       const openAPIsConfig = { geType: 'orion', apiEndpoint: 'http://orion:1026', getToken: null, service: 'openiot', servicepath: '/' };
 
@@ -523,6 +552,7 @@ describe('types.js', () => {
         entityType: '',
         values: 'false',
         noAttrDetail: 'false',
+        forbidden: 'false',
         limit: 100,
         offset: 0,
       };
@@ -546,6 +576,7 @@ describe('types.js', () => {
         entityType: '',
         values: 'false',
         noAttrDetail: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://orion:1026',
@@ -578,6 +609,7 @@ describe('types.js', () => {
         type: '',
         values: false,
         noAttrDetail: false,
+        forbidden: false,
         limit: 20,
         offset: 0,
       });
@@ -591,6 +623,7 @@ describe('types.js', () => {
         entityType: '',
         values: 'false',
         noAttrDetail: 'false',
+        forbidden: 'false',
 
         openapis: {
           apiEndpoint: 'http://orion:1026',