diff --git a/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml b/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml
index 3a31c45717f82fd904f41d2cac7361be0d62f7d2..82f94ba7b2c6ade07b48675d274e9cdc754c9f75 100644
--- a/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml
+++ b/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml
@@ -112,6 +112,14 @@ definitions:
         enum:
           - NOT_INSTANTIATED
           - INSTANTIATED
+      monitoringParameter:
+        description: >
+          Performance metrics tracked by the NFVO (e.g. for
+          auto-scaling purposes) as identified by the NS
+          designer in the NSD.
+        type: array
+        items:
+          $ref: "#/definitions/NsMonitoringParameter"
       nsScaleStatus:
         description: >
           Status of each NS scaling aspect declared in the