diff --git a/src/definitions/SOL002SOL003VNFLifecycleManagement_def.yaml b/src/definitions/SOL002SOL003VNFLifecycleManagement_def.yaml
index 45f29e602aa13defeb71b5f863fbe66211c80251..078c86e71224b32e0c8fd5dc36c77d72b2d83b1a 100644
--- a/src/definitions/SOL002SOL003VNFLifecycleManagement_def.yaml
+++ b/src/definitions/SOL002SOL003VNFLifecycleManagement_def.yaml
@@ -1208,6 +1208,17 @@ definitions:
           The value refers to an "extCpInfo" item in the VnfInstance or a
           "vnfcCpInfo" item of a "vnfcResouceInfo" item in the VnfInstance.
         $ref: "SOL002SOL003_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
 
   VnfOperationalStateType:
     type: string