diff --git a/src/SOL002/VNFLifecycleManagement/definitions/SOL002VNFLifecycleManagement_def.yaml b/src/SOL002/VNFLifecycleManagement/definitions/SOL002VNFLifecycleManagement_def.yaml
index 08705c29db0ffbd5e765dcf83b3dbc02f93a082d..80e5d1d15e56dd7b5390d3e12aa3d230a3d6c9ea 100644
--- a/src/SOL002/VNFLifecycleManagement/definitions/SOL002VNFLifecycleManagement_def.yaml
+++ b/src/SOL002/VNFLifecycleManagement/definitions/SOL002VNFLifecycleManagement_def.yaml
@@ -831,13 +831,15 @@ definitions:
     required:
       - id
       - vnfcInstanceId
-      - triggeredAt
-      - vnfcInfo
+      - creationStartedAt
+      - vnfcResourceInfoId
     properties:
       id:
         description: >
           Identifier of the information held by the VNFM about a specific VNFC snapshot. This identifier is allocated by
           the VNFM and is unique within the scope of a VNF snapshot.
+          The attribute also identifies the compute snapshot image associated
+          to this VNFC snapshot within the context of a referred VNF snapshot.
         $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/Identifier"
       vnfcInstanceId:
         description: >
@@ -876,7 +878,8 @@ definitions:
           storageResourceId:
             description: >
               Reference to the "VirtualStorageResourceInfo" structure in the "VnfInstance" structure that represents
-              the virtual storage resource.
+              the virtual storage resource. The attribute also identifies the storage snapshot image
+              associated to this VNFC snapshot within the context of a referred VNF snapshot
             $ref: "../../../definitions/SOL002SOL003_def.yaml#/definitions/IdentifierInVnf"
           storageSnapshotResource:
             description: >