SOL005_20: updated description of fields of ParamsForVnf datamodel

src/SOL005/NSLifecycleManagement/definitions/SOL005NSLifecycleManagement_def.yaml

@@ -1979,19 +1979,31 @@ definitions:
         type: string
       vnfConfigurableProperties:
         description: >
-          Values for the "vnfConfigurableProperties" input
+          If present, this attribute provides values for the configurable properties declared in the VNFD.
+          These values will override the default values if default values are also declared in the VNFD.
+
+          It provides values  for the "vnfConfigurableProperties" input
           parameter of the Instantiate VNF operation defined in
           ETSI GS NFV-SOL 003 [4].
         $ref: "../../definitions/SOL005_def.yaml#/definitions/KeyValuePairs"
       metadata:
         description: >
-          Values for the "metadata" input parameter of the Create
+          If present, this attribute provides values for metadata.
+          Metadata can but need not be declared in the VNFD.
+          These values will override the default values if default
+          values are also declared in the VNFD.
+
+          It provides the values for the "metadata" input parameter of the Create
           VNF Identifier operation defined in ETSI
           GS NFV-SOL 003 [4].
         $ref: "../../definitions/SOL005_def.yaml#/definitions/KeyValuePairs"
       extensions:
         description: >
-          Values for the "extensions" attribute of the Instantiate
+          If present, this attribute provides values for the extensions
+          declared in the VNFD. These values will override the default
+          values if default values are also declared in the VNFD.
+
+          It provides the values for the "extensions" input parameter  of the Instantiate
           VNF operation defined in ETSI GS NFV-SOL 003 [4].
         $ref: "../../definitions/SOL005_def.yaml#/definitions/KeyValuePairs"
       additionalParams: