diff --git a/OpenAPI/TS28105_AiMlNrm.yaml b/OpenAPI/TS28105_AiMlNrm.yaml
index 4dd21ebfb369d5b431b48d4ea329c939527c0920..c0fb7b300c9159a90ad2e4b861d3078165c6e43a 100644
--- a/OpenAPI/TS28105_AiMlNrm.yaml
+++ b/OpenAPI/TS28105_AiMlNrm.yaml
@@ -611,6 +611,9 @@ components:
                       $ref: 'TS28623_ComDefs.yaml#/components/schemas/DnRo'
                     mLModelRef:  ## Figure 7.3a.1.1.1-1 is 1-0..1 mapping, hence should be single
                       $ref: 'TS28623_ComDefs.yaml#/components/schemas/DnRo'
+                    mLModelCoordinationGroupRef: 
+                      $ref: 'TS28623_ComDefs.yaml#/components/schemas/DnRo'
+  
 
     MLTrainingReport-Single:
       allOf: