diff --git a/OpenAPI/TS28541_SliceNrm.yaml b/OpenAPI/TS28541_SliceNrm.yaml
index 2f3d555ec1f31e8a46d909eb74b773346ccc4fed..b7c91987d848903deec4d6281697baee88d2d991 100755
--- a/OpenAPI/TS28541_SliceNrm.yaml
+++ b/OpenAPI/TS28541_SliceNrm.yaml
@@ -304,6 +304,68 @@ components:
           type: array
           items:
             $ref: '#/components/schemas/SecFunc'
+    DataNetwork:
+      type: object
+      properties:
+        servAttrCom:
+          $ref: '#/components/schemas/ServAttrCom'
+        dnnList:
+          type: array
+          items: 
+            type: string
+    DataAccess:
+      type: object
+      properties:
+        dataNetworkName:
+          type: string
+        dataAccessUsed:
+          type: string
+          enum:
+            - DIRECT_INTERNET_ACCESS
+            - TERM_PVT_NETWORK
+            - LOCAL_TRAFFIC
+    TunnellingMechanism:
+      type: object
+      properties:
+        dataNetworkName:
+          type: string
+        tunellingMechanismUsed:
+          type: string
+          enum:
+            - L2TP_TUNNEL
+            - GRE_TUNNEL
+            - VPN_TUNNEL
+            - LABEL_BASED_ROUTING
+            - 802.1Q_VLAN
+            - SRV6
+            - OTHER
+    LboAllowed:
+      type: object
+      properties:
+        dataNetworkName:
+          type: string
+        localBreakoutAllowed:
+          type: string
+          enum:
+            - YES
+            - NO
+    DataNetworkAccess:
+      type: object
+      properties:
+        servAttrCom:
+          $ref: '#/components/schemas/ServAttrCom'
+        dataAccessList:
+          type: array
+          items:
+            $ref: '#/components/schemas/DataAccess'
+        tunnellingMechanismList:
+          type: array
+          items:
+            $ref: '#/components/schemas/TunnellingMechanism'
+        localBreakoutAllowedList:
+          type: array
+          items:
+            $ref: '#/components/schemas/LboAllowed'
 
     CNSliceSubnetProfile:
       type: object
@@ -362,6 +424,10 @@ components:
           type: number
         maxULDataVolume:
           type: number
+        supportedDataNetworks:
+          $ref: '#/components/schemas/DataNetwork'
+        dataNetworkAccess:
+          $ref: '#/components/schemas/DataNetworkAccess'
     
     RANSliceSubnetProfile:
       type: object
@@ -504,6 +570,10 @@ components:
           type: number
         kPIMonitoring:
           $ref: '#/components/schemas/KPIMonitoring'
+        supportedDataNetworks:
+          $ref: '#/components/schemas/DataNetwork'
+        dataNetworkAccess:
+          $ref: '#/components/schemas/DataNetworkAccess'
 
     ServiceProfile:
       type: object
@@ -592,6 +662,11 @@ components:
             $ref: '#/components/schemas/N6Protection'
           nonIPSupport:
             $ref: '#/components/schemas/NonIPSupport'
+          supportedDataNetworks:
+            $ref: '#/components/schemas/DataNetwork'
+          dataNetworkAccess:
+            $ref: '#/components/schemas/DataNetworkAccess'
+
     SliceProfile:
       type: object
       properties: