SOL002_49: ThresholdCrossedNotification updated with subObjectInstanceId (not required property)

src/definitions/SOL002SOL003VNFPerformanceManagement_def.yaml

@@ -486,17 +486,25 @@ definitions:
         description: >
           Identifier that identifies a VNF instance.
         $ref: "SOL002SOL003_def.yaml#/definitions/Identifier"
+      subObjectInstanceId:
+        description: >
+          Identifier of the sub-object of the measured object (i.e. a VNFC instance)
+          to which the measurement applies.
+          Shall be present if this is required in an external measurement specification.
+          The sub-object allows to structure the measured object, but is not to be confused
+          with sub-counters which allow to structure the measurement.
+        $ref: "SOL002SOL003_def.yaml#/definitions/IdentifierInVnf"
       performanceMetric:
         description: >
           Performance metric associated with the threshold.
+          This attribute shall contain the related "Measurement Name"
+          value as defined in clause 7.2 of ETSI GS NFV-IFA 027.
         type: string
       performanceValue:
         description: >
           Value of the metric that resulted in threshold crossing.
-          The type of the "performanceValue" attribute (i.e. scalar, structure
-          (Object in JSON), or array (of scalars, arrays or
-          structures / Objects)) is assumed to be defined in the external
-          measurement specification (see ETSI GS NFV-IFA 027).
+          The type of this attribute shall correspond to the related
+          "Measurement Unit" as defined in clause 7.2 of ETSI GS NFV-IFA 027.
         type: object
       _links:
         description: >
@@ -520,4 +528,4 @@ definitions:
             description: >
               Link to the resource that represents the threshold that was
               crossed.
-            $ref: "SOL002SOL003_def.yaml#/definitions/Link"
+            $ref: "SOL002SOL003_def.yaml#/definitions/Link"
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