diff --git a/OpenAPI/TS28623_TraceControlNrm.yaml b/OpenAPI/TS28623_TraceControlNrm.yaml
index fb231f448635097042cd2aa803e25bf0a6461de2..8edb3d55d8dc532a479c55d4bd4b1773b13ae2e0 100644
--- a/OpenAPI/TS28623_TraceControlNrm.yaml
+++ b/OpenAPI/TS28623_TraceControlNrm.yaml
@@ -403,6 +403,13 @@ components:
         - mcc
         - mnc
 
+    listOfTraceMetrics:
+      description: The trace messages to be reported. See 3GPP TS 32.422 clause 10 for additional details.
+      type: array
+      items:
+        type: string 
+      
+
     traceDepth-Type:
       description: Specifies how detailed information should be recorded in the Network Element. The Trace Depth is a paremeter for Trace Session level, i.e., the Trace Depth is the same for all of the NEs to be traced in the same Trace Session. See 3GPP TS 32.422 clause 5.3 for additional details.
       type: string
@@ -1448,6 +1455,8 @@ components:
           $ref: '#/components/schemas/plmnTarget-Type'
         nPNTarget:
           $ref: 'TS28623_GenericNrm.yaml#/components/schemas/NpnId-Type'
+        listOfTraceMetrics:
+          type: array
         traceReportingConsumerUri:
           $ref: 'TS28623_ComDefs.yaml#/components/schemas/Uri'
         traceCollectionEntityIpAddress: