diff --git a/OpenAPI/TS28623_MnSRegistryNrm.yaml b/OpenAPI/TS28623_MnSRegistryNrm.yaml
index 4c525b6c37d3a0500e2a997b893aac1fca2b79c0..a8f70388672ddcf250cca824566bfe7adc0d164c 100644
--- a/OpenAPI/TS28623_MnSRegistryNrm.yaml
+++ b/OpenAPI/TS28623_MnSRegistryNrm.yaml
@@ -22,7 +22,38 @@ components:
    #-------Definition of generic IOCs ----------# 
 
 #-------- Definition of types-----------------------------------------------------
-
+    MnsCapability:
+      type: string
+      enum:
+        - NR_PROVISIONING
+        - 5GC_PROVISIONING
+        - NETWORK_SLICING_PROVISIONING
+        - EDGE_COMPUTING_PROVISIONING
+        - PERFORMANCE_METRIC_COLLECTION_CONTROL
+        - PERFORMANCE_METRIC_DATA_REPORT
+        - PERFORMANCE_METRIC_THRESHOLD_MONITOR_CONTROL
+        - PERFORMANCE_METRIC_THRESHOLD_NOTIFICATION
+        - FAULT_CONTROL
+        - FAULT_NOTIFICATION
+        - TRACE_MDT_DATA_COLLECTION_CONTROL
+        - TRACE_MDT_DATA_REPORT
+        - QOE_DATA_COLLECTION_CONTROL
+        - QOE_DATA_REPORT
+        - FILE_RETRIEVAL
+        - FILE_DOWNLOAD
+        - SUBSCRIPTION_CONTROL
+        - HEARTBEAT_CONTROL
+        - HEARTBEAT_NOTIFICATION
+        - ML_MODEL_MANAGEMENT
+        - MANAGEMENT DATA ANALYTIC
+        - RANSC_MANAGEMENT
+        - SON_POLICY
+        - COMMUNICATION_SERVICE_ASSURANCE_CONTROL
+        - INTENT_DRIVEN_MANAGEMENT
+        - ML_MODEL_MANAGEMENT
+        - MNS_REGISTRY_AND_DISCOVERY
+        - MNS_ACCESS_CONTROL_MANAGEMENT
+        - DSO_RAPID_RECOVERY_AND_THRESHOLD MONITORING
 #-------- Definition of concrete IOCs --------------------------------------------          
     MnsRegistry-Single:
       allOf:
@@ -51,6 +82,13 @@ components:
              mnsAddress:
                description: Resource URI as defined in the relevant Technical Specification
                $ref: 'TS28623_ComDefs.yaml#/components/schemas/UriRo'
+             mnsCapability:
+               description: >- 
+                 It describes the types of management capabilities of the MnS instance provided by the MnS producer.
+               type: array
+               uniqueItems: true
+               items:
+                $ref: '#/components/schemas/MnsCapability'
              mnsScope:
                description: >-
                  It is used to provide information about the management scope of the Management Service. The management scope is