diff --git a/OpenAPI/TS28541_5GcNrm.yaml b/OpenAPI/TS28541_5GcNrm.yaml
index 90147452cdefa33ad58c33c240bcd1e8369de30c..46e732f023195684e82a3652cb183060a750488e 100755
--- a/OpenAPI/TS28541_5GcNrm.yaml
+++ b/OpenAPI/TS28541_5GcNrm.yaml
@@ -129,6 +129,10 @@ components:
         $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Tac'
     WeightFactor:
       type: integer
+    VendorId:
+      type: string
+      description: Vendor ID of the NF Service instance (Private Enterprise Number assigned by IANA)
+      pattern: '^[0-9]{6}$'
     AusfInfo:
       type: object
       properties:
@@ -270,7 +274,7 @@ components:
             $ref: 'TS28623_ComDefs.yaml#/components/schemas/DateTime'
           minItems: 1
         vendorId:
-          type: string
+          $ref: '#/components/schemas/VendorId'
     SEPPType:
       type: string
       description: any of enumerated value
@@ -968,7 +972,22 @@ components:
           $ref: '#/components/schemas/SnssaiList'
         trackingAreaList:
           $ref: '#/components/schemas/TaiList'          
-
+        mlModelInterInfo:
+          type: array
+          items:
+            $ref: '#/components/schemas/VendorId' 
+          minItems: 0
+        flCapabilityType:
+          type: string
+          enum:
+            - FL_SERVER
+            - FL_CLIENT
+            - FL_SERVER_AND_CLIENT
+        flTimeInterval:
+          type: array
+          items:
+            $ref: 'TS28623_ComDefs.yaml#/components/schemas/TimeWindow'
+          minItems: 1
     NwdafInfo:
       description: Information of a NWDAF NF Instance
       type: object