diff --git a/OpenAPI/TS28312_IntentNrm.yaml b/OpenAPI/TS28312_IntentNrm.yaml
index 02561984d0671077900b08e590b8d3bc23d61502..fcbc43eed735884f8a94f7e6cca5221ab9ae1da9 100644
--- a/OpenAPI/TS28312_IntentNrm.yaml
+++ b/OpenAPI/TS28312_IntentNrm.yaml
@@ -86,6 +86,8 @@ components:
           implicitIntentIndex:
             type: boolean
             default: false
+          intentInterpretationAssistanceInfo:
+            $ref: '#/components/schemas/IntentInterpretationAssistanceInfo'
           intentReportReference:
             $ref: 'TS28623_ComDefs.yaml#/components/schemas/DnRo'
           intentUtilityFormulaRef:
@@ -1156,6 +1158,22 @@ components:
 
    #------Definition of JSON arrays for name-contained IOCs ---------------#
    
+   #-------Definition of the generic IntentInterpretationAssistanceInformation dataType----------------#
+    IntentInterpretationAssistanceInfo:   
+      description: >-
+        It represents the additional information needed for intent interpretation.
+      type: object
+      properties:
+        dateTime:
+          $ref: 'TS28623_ComDefs.yaml#/components/schemas/DateTime'
+        conditions:
+          type: string
+        prevProducerMessage:
+          type: string
+        prevConsumerMessage:
+          type: string
+   #-------Definition of the concrete IntentInterpretationAssistanceInformation dataType----------------#
+
    #----- Definitions in TS 28.312 for TS 28.532 --------------------------#
     resources-intentNrm:
       oneOf: