diff --git a/OpenAPI/TS28312_IntentNrm.yaml b/OpenAPI/TS28312_IntentNrm.yaml
index 5c5e2a3027c2474cbe2131f4f7ca9c57d1e829a1..0d5404e3fa556e9a86e0311df227dd274c25eb69 100644
--- a/OpenAPI/TS28312_IntentNrm.yaml
+++ b/OpenAPI/TS28312_IntentNrm.yaml
@@ -191,6 +191,7 @@ components:
       enum:
           - FULFILLED
           - NOT_FULFILLED
+      default: NOT_FULFILLED        
       description: It describes the current status of the intent fulfilment result.    
     NotFulfilledState:
       type: string
@@ -202,6 +203,7 @@ components:
           - SUSPENDED
           - TERMINATED
           - FULFILMENTFAILED
+      default: ACKNOWLEDGED             
       description: It describes the current progress of or the reason for not achieving fulfilment 
                    for the intent, intentExpectation or expectationTarget.
                    An attribute which is used when FulfilmentInfo is implemented for IntentFulfilmentInfo