diff --git a/OpenAPI/TS28312_IntentNrm.yaml b/OpenAPI/TS28312_IntentNrm.yaml
index cb5695ecd190ad0fc3d1ecd9c12cb7922df46916..02561984d0671077900b08e590b8d3bc23d61502 100644
--- a/OpenAPI/TS28312_IntentNrm.yaml
+++ b/OpenAPI/TS28312_IntentNrm.yaml
@@ -324,7 +324,30 @@ components:
           readOnly: true
           description: An attribute which is used when FulfilmentInfo is implemented for IntentFulfilmentInfo
       required: 
-        - fulfilmentStatus  
+        - fulfilmentStatus
+    
+    FulfilmentStatisticsInfo:
+      type: object
+      properties:
+        expectationObjectFulfilmentInfo:
+          type: array
+          uniqueItems: true
+          items:
+            $ref: '#/components/schemas/Distribution'
+        expectationTemporalFulfilmentInfo:
+          type: array
+          uniqueItems: true
+          items:
+            $ref: '#/components/schemas/Distribution'
+
+    Distribution:
+      type: object
+      properties:
+        couter:
+          type: integer
+        bin:
+          type: string
+  
     ExpectationVerb:
       type: string
       enum:
@@ -661,6 +684,8 @@ components:
           readOnly: true
         expectationFulfilmentInfo:
           $ref: '#/components/schemas/FulfilmentInfo'
+        expectationFulfilmentStatisticsInfo:
+          $ref: '#/components/schemas/FulfilmentStatisticsInfo'
         targetFulfilmentResults:
           type: array
           uniqueItems: true