diff --git a/file-formats/chkv/chkv-v1.json b/file-formats/chkv/chkv-v1.json
index ef3e0818d..61bd3801f 100644
--- a/file-formats/chkv/chkv-v1.json
+++ b/file-formats/chkv/chkv-v1.json
@@ -93,6 +93,67 @@
                   "description": "The value of the parameter",
                   "type": "string"
                 },
+                "structuredValue": {
+                  "title": "Parameter Structure",
+                  "description": "A structured value of a parameter",
+                  "type": "array",
+                  "uniqueItems": true,
+                  "items": {
+                    "title": "Component",
+                    "description": "Component of a structure as a key-value pair",
+                    "type": "object",
+                    "properties": {
+                      "field": {
+                        "title": "Component Name",
+                        "description": "Name of a component of a structure",
+                        "type": "string"
+                      },
+                      "value": {
+                        "title": "Component Value",
+                        "description": "Value of a component of a structure",
+                        "type": "string"
+                      }
+                    },
+                    "additionalProperties": false,
+                    "required": [
+                      "field",
+                      "value"
+                    ]
+                  }
+                },
+                "structuredValueList": {
+                  "title": "Parameter Structure List",
+                  "description": "A list of structured values of a parameter",
+                  "type": "array",
+                  "items": {
+                    "title": "Structure",
+                    "description": "A structured value as a list of key-value pairs",
+                    "type": "array",
+                    "uniqueItems": true,
+                    "items": {
+                      "title": "Component",
+                      "description": "Component of a structure as a key-value pair",
+                      "type": "object",
+                      "properties": {
+                        "field": {
+                          "title": "Component Name",
+                          "description": "Name of a component of a structure",
+                          "type": "string"
+                        },
+                        "value": {
+                          "title": "Component Value",
+                          "description": "Value of a component of a structure",
+                          "type": "string"
+                        }
+                      },
+                      "additionalProperties": false,
+                      "required": [
+                        "field",
+                        "value"
+                      ]
+                    }
+                  }
+                },
                 "valueList": {
                   "title": "List of Parameter Values",
                   "description": "List of values for a multi-value check parameter",
diff --git a/file-formats/chkv/type/zif_aff_chkv_v1.intf.abap b/file-formats/chkv/type/zif_aff_chkv_v1.intf.abap
index b9e9bdfd3..b62e1277a 100644
--- a/file-formats/chkv/type/zif_aff_chkv_v1.intf.abap
+++ b/file-formats/chkv/type/zif_aff_chkv_v1.intf.abap
@@ -27,6 +27,24 @@ INTERFACE zif_aff_chkv_v1
     "! <p class="shorttext">Entry in Value List</p>
     "! A parameter value in the parameter value list
     ty_param_value TYPE string,
+    "! <p class="shorttext">Component</p>
+    "! Component of a structure as a key-value pair
+    BEGIN OF ty_structured_value_comp,
+      "! <p class="shorttext">Component Name</p>
+      "! Name of a component of a structure
+      "! $required
+      field TYPE string,
+      "! <p class="shorttext">Component Value</p>
+      "! Value of a component of a structure
+      "! $required
+      value TYPE string,
+    END OF ty_structured_value_comp,
+    "! <p class="shorttext">Structure</p>
+    "! A structured value as a list of key-value pairs
+    ty_structured_value TYPE SORTED TABLE OF ty_structured_value_comp WITH UNIQUE KEY field,
+    "! <p class="shorttext">Structure List</p>
+    "! A list of structured values
+    ty_structured_value_list TYPE STANDARD TABLE OF ty_structured_value WITH DEFAULT KEY,
 
     "! <p class="shorttext">Parameter</p>
     "! Parameter of ATC check
@@ -34,16 +52,22 @@ INTERFACE zif_aff_chkv_v1
       "! <p class="shorttext">Parameter Name</p>
       "! The parameter name
       "! $required
-      name             TYPE string,
+      name                  TYPE string,
       "! <p class="shorttext">Parameter Value</p>
       "! The value of the parameter
-      value            TYPE string,
+      value                 TYPE string,
+      "! <p class="shorttext">Parameter Structure</p>
+      "! A structured value of a parameter
+      structured_value      TYPE ty_structured_value,
+      "! <p class="shorttext">Parameter Structure List</p>
+      "! A list of structured values of a parameter
+      structured_value_list TYPE ty_structured_value_list,
       "! <p class="shorttext">List of Parameter Values</p>
       "! List of values for a multi-value check parameter
-      value_list       TYPE STANDARD TABLE OF ty_param_value WITH DEFAULT KEY,
+      value_list            TYPE STANDARD TABLE OF ty_param_value WITH DEFAULT KEY,
       "! <p class="shorttext">List of Range Values</p>
       "! List of range values for a check parameter
-      value_range_list TYPE ty_ranges,
+      value_range_list      TYPE ty_ranges,
     END OF ty_parameter,
 
     "! <p class="shorttext">Parameters</p>