diff --git a/OpenAPI/TS28541_NrNrm.yaml b/OpenAPI/TS28541_NrNrm.yaml
index 7c2027fe1fd70e065431a96b2a046523bec5045f..38cbf5ca5d7efbefecf282a475be4e5455271bd8 100755
--- a/OpenAPI/TS28541_NrNrm.yaml
+++ b/OpenAPI/TS28541_NrNrm.yaml
@@ -799,6 +799,8 @@ components:
           $ref: 'TS28541_5GcNrm.yaml#/components/schemas/Dynamic5QISet-Multiple'
         CCOFunction:
           $ref: '#/components/schemas/CCOFunction-Single'
+        NTNFunction:
+          $ref: '#/components/schemas/NTNFunction-Single'
 
     ManagedElement-ncO-NrNrm:
       type: object
@@ -827,6 +829,8 @@ components:
           $ref: 'TS28541_5GcNrm.yaml#/components/schemas/Configurable5QISet-Multiple'
         Dynamic5QISet:
           $ref: 'TS28541_5GcNrm.yaml#/components/schemas/Dynamic5QISet-Multiple'
+        NTNFunction:
+          $ref: '#/components/schemas/NTNFunction-Single'
 
 #-------- Definition of abstract IOCs --------------------------------------------