diff --git a/OpenAPI/TS28541_5GcNrm.yaml b/OpenAPI/TS28541_5GcNrm.yaml
index 8c05a050c4c7f6580aeaf1a4f7ad2458dce9ff8c..b93b8d3fa9242d018fb2ead33006b612160cf622 100755
--- a/OpenAPI/TS28541_5GcNrm.yaml
+++ b/OpenAPI/TS28541_5GcNrm.yaml
@@ -891,6 +891,76 @@ components:
       uniqueItems: true
       items:
         $ref: '#/components/schemas/TrafficControlData'
+    
+    QosMonitoringData:
+      description: Contains QoS monitoring related control information.
+      type: object
+      properties:
+        qmId:
+          type: string
+          description: Univocally identifies the QoS monitoring policy data within a PDU session.
+        qosMonParamType:
+          $ref: '#/components/schemas/QosMonitoringParamType'
+        reqQosMonParams:
+          type: array
+          items:
+            $ref: '#/components/schemas/RequestedQosMonitoringParameter'
+          minItems: 1
+          description: >
+            Indicates the QoS information to be monitored when the QoS Monitoring is enabled for
+            the service data flow.
+        repFreqs:
+          type: array
+          items:
+             $ref: '#/components/schemas/ReportingFrequency'
+          minItems: 1
+          description: >
+            Indicates the frequency for the reporting, such as event triggered and/or periodic.
+        repPeriod:
+          type: integer
+
+    QosMonitoringParamType:
+      anyOf:
+      - type: string
+        enum:
+          - PACKET_DELAY
+          - CONGESTION
+          - DATA_RATE
+          - AVAILABLE_BITRATE
+      - type: string
+      description: |
+        Indicates the QoS monitoring parameter type.  
+        Possible values are:
+        - PACKET_DELAY: Indicates that the QoS monitoring parameter to be measured is packet delay.
+        - CONGESTION: Indicates that the QoS monitoring parameter to be measured is congestion.
+        - DATA_RATE: Indicates that the QoS monitoring parameter to be measured is data rate.
+        - AVAILABLE_BITRATE: Indicates that the QoS monitoring parameter to be measured is available
+          bitrate.
+
+    RequestedQosMonitoringParameter:
+      description: Indicates the requested QoS monitoring parameters to be measured.
+      anyOf:
+      - type: string
+        enum:
+          - DOWNLINK
+          - UPLINK
+          - ROUND_TRIP
+          - DOWNLINK_DATA_RATE
+          - UPLINK_DATA_RATE
+          - DOWNLINK_CONGESTION
+          - UPLINK_CONGESTION
+          - DOWNLINK_AVAILABLE_BITRATE
+          - UPLINK_AVAILABLE_BITRATE
+      - type: string
+
+    ReportingFrequency:
+      description: Indicates the frequency for the reporting.
+      anyOf:
+      - type: string
+        enum:
+          - EVENT_TRIGGERED
+          - PERIODIC
+      - type: string
 
     ServiceFeatureMap:
       type: object
@@ -966,6 +1036,11 @@ components:
           uniqueItems: true
           items:
             $ref: '#/components/schemas/ServiceFeatureMap'
+        qosMonitoringData:
+          type: array
+          uniqueItems: true
+          items:
+            $ref: '#/components/schemas/QosMonitoringData'
 
     SnssaiInfo:
       type: object