diff --git a/schemas/imageFilterAttribute.schema.json b/schemas/imageFilterAttribute.schema.json
new file mode 100644
index 0000000..dfc2c3c
--- /dev/null
+++ b/schemas/imageFilterAttribute.schema.json
@@ -0,0 +1,158 @@
+{
+  "$id":"https://raw.githubusercontent.com/SPINEProject/SPINE-json-schema/master/schemas/imageFilterAttribute.schema.json",
+  "$schema":"http://json-schema.org/draft-07/schema#",
+  "title":"Image filter attribute",
+  "type":"object",
+  "definitions": {
+    "attributeBase": {
+      "$id": "#attributeBase",
+      "description": "Attribute base schema",
+      "type": "object",
+      "properties": {
+        "type": {
+          "type": "string",
+          "enum": [
+            "NUMBER",
+            "STRING"
+          ]
+        },
+        "isOrdered": {
+          "type": "boolean"
+        },
+        "attributeKey": {
+          "type": "string"
+        },
+          "attributeLabel": {
+          "type": "string"
+        },
+        "multiplicityMin": {
+          "type": "number",
+          "min": 1
+        },
+        "multiplicityMax": {
+          "oneOf": [
+            {
+              "type": "number",
+              "min": 1
+            },
+            {
+              "type": "string",
+              "enum": [
+                "N"
+              ]
+            }
+          ]
+        },
+        "options": {
+          "type": "object",
+          "properties": {
+            "areOtherValuesAllowed": {
+              "type": "boolean"
+            },
+            "enum": {
+              "type": "array"
+            },
+            "min": {
+              "type": "number"
+            },
+            "max": {
+              "type": "number"
+            }
+          },
+          "required": [
+            "areOtherValuesAllowed"
+          ],
+          "additionalProperties": false
+        }
+      },
+      "required": [
+        "type",
+        "attributeKey",
+        "attributeLabel",
+        "multiplicityMin",
+        "multiplicityMax",
+        "options"
+      ],
+      "additionalProperties": false
+    },
+    "attributeNumber": {
+      "$id": "#attributeNumber",
+      "description": "Attribute schema when atribute type is number",
+      "type": "object",
+        "allOf": [{
+      "properties": {
+        "type": {
+          "type": "string",
+          "enum": [
+            "NUMBER"
+          ]
+        },
+        "options": {
+          "properties": {
+            "areOtherValuesAllowed": {},
+            "enum": {
+              "items": {
+                "type": "number"
+              }
+            },
+            "min": {},
+            "max": {}
+          },
+          "additionalProperties": false
+        }
+      }},{
+          "$ref": "#/definitions/attributeBase"
+        }]
+    },
+    "attributeString": {
+      "$id": "#attributeString",
+      "description": "Attribute schema when atribute type is string",
+      "type": "object",
+      "allOf": [
+        {
+          "properties": {
+            "type": {
+              "type": "string",
+              "enum": [
+                "STRING"
+              ]
+            },
+            "options": {
+              "properties": {
+                "areOtherValuesAllowed": {},
+                "enum": {
+                  "type": "array",
+                  "items": {
+                    "type": "string"
+                  }
+                }
+              },
+              "additionalProperties": false
+            }
+          }
+        },
+        {
+          "$ref": "#/definitions/attributeBase"
+        }
+      ]
+    },
+    "attribute": {
+      "$id": "#attribute",
+      "description": "Attribute",
+      "type": "object",
+      "oneOf": [
+        {
+          "$ref": "#/definitions/attributeNumber"
+        },
+        {
+          "$ref": "#/definitions/attributeString"
+        }
+      ]
+    }
+  },
+  "allOf": [
+    {
+      "$ref": "#/definitions/attribute"
+    }
+  ]
+}