diff --git a/OpenAPI/TS28541_5GcNrm.yaml b/OpenAPI/TS28541_5GcNrm.yaml
index aaf8bc79f80a355ed66a6b6d7e201b471df4c79e..0fd5c1cfe94752ba623cd16efa339d388ca78061 100755
--- a/OpenAPI/TS28541_5GcNrm.yaml
+++ b/OpenAPI/TS28541_5GcNrm.yaml
@@ -1399,6 +1399,43 @@ components:
             $ref: '#/components/schemas/PlmnRange'
           minItems: 1
 
+    LogicalInterfaceInfo:
+      type: object
+      properties:
+         logicalInterfaceType:
+           type: string
+           enum: 
+            - VLAN
+            - MPLS
+            - Segment
+         logicalInterfaceId:
+           type: string
+
+    DccfInfo:
+      description: Specific Data for DCCF
+      type: object
+      properties:
+        servingNfTypeList:
+          type: array
+          items:
+            $ref: 'TS28623_GenericNrm.yaml#/components/schemas/NFType'
+          minItems: 1
+        servingNfSetIdList:
+          type: array
+          items:
+            $ref: 'TS29571_CommonData.yaml#/components/schemas/NfSetId'
+          minItems: 1
+        taiList:
+          type: array
+          items:
+            $ref: 'TS29571_CommonData.yaml#/components/schemas/Tai'
+          minItems: 1
+        taiRangeList:
+          type: array
+          items:
+            $ref: '#/components/schemas/TaiRange'
+          minItems: 1
+
 #-------- Definition of concrete IOCs --------------------------------------------
     ProvMnS:
       oneOf:
@@ -1502,6 +1539,8 @@ components:
               $ref: '#/components/schemas/NssaafFunction-Multiple'
             AFFunction:
               $ref: '#/components/schemas/AfFunction-Multiple'
+            DCCFFunction:
+              $ref: '#/components/schemas/DccfFunction-Multiple'
 
     AmfFunction-Single:
       allOf:
@@ -3140,6 +3179,28 @@ components:
                     remoteAddress:
                       $ref: 'TS28541_NrNrm.yaml#/components/schemas/RemoteAddress'
 
+    DccfFunction-Single:
+      allOf:
+        - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/Top'
+        - type: object
+          properties:
+            attributes:
+              allOf:
+                - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/ManagedFunction-Attr'
+                - type: object
+                  properties:
+                    pLMNInfoList:
+                      $ref: 'TS28541_NrNrm.yaml#/components/schemas/PlmnInfoList'
+                    sBIFqdn:
+                      type: string
+                    managedNFProfile:
+                      $ref: '#/components/schemas/ManagedNFProfile'
+                    commModelList:
+                      $ref: '#/components/schemas/CommModelList'
+                    dccfInfo:
+                      $ref: '#/components/schemas/DccfInfo'
+        - $ref: 'TS28623_GenericNrm.yaml#/components/schemas/ManagedFunction-ncO'
+
 #-------- Definition of JSON arrays for name-contained IOCs ----------------------
 
     SubNetwork-Multiple:
@@ -3434,6 +3495,10 @@ components:
       type: array
       items:
         $ref: '#/components/schemas/AfFunction-Single'
+    DccfFunction-Multiple:
+      type: array
+      items:
+        $ref: '#/components/schemas/DccfFunction-Single'
 
 #------------ Definitions in TS 28.541 for TS 28.532 -----------------------------
 
@@ -3524,4 +3589,4 @@ components:
        - $ref: '#/components/schemas/EcmConnectionInfo-Single'
        - $ref: '#/components/schemas/NssaafFunction-Single'
        - $ref: '#/components/schemas/AfFunction-Single'
-
+       - $ref: '#/components/schemas/DccfFunction-Single'