diff --git a/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml b/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml
index 957618d2a9798c0d272057f6b72ce342bb854799..9a057ebfaa7d323d8be463d1bc7f210740f3259f 100644
--- a/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml
+++ b/src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml
@@ -919,6 +919,18 @@ definitions:
           The value refers to an "extCpInfo" item in the VnfInstance or a
           "vnfcCpInfo" item of a "vnfcResouceInfo" item in the VnfInstance.
         $ref: "SOL005_def.yaml#/definitions/IdentifierInVnf"
+      cpInstanceType:
+        description: >
+          Type of the CP instance that is identified by cpInstanceId.
+          Shall be present if "cpInstanceId" is present, and shall be
+          absent otherwise.
+          Permitted values:
+          * VNFC_CP: The link port is connected to a VNFC CP
+          * EXT_CP: The link port is associated to an external CP.
+        type: string
+        enum:
+          - VNFC_CP
+          - EXT_CP
 
   MonitoringParameter:
     type: object