This structure is used to uniquely identify an engagementEngagement. Engagements can be identified by EngagementCode or EngagementUid. When specifying a PwsEngagementRef as an input to a web service, you may specify one or both the EngagementCode and/or EngagementUid. However, if you do specify both, they must both refer to the same Engagement or the engagement reference will not be considered valid. When a PwsEngagementRef is returned in the response to a web service, both the EngagementCode and EngagementUid will be populated, and guaranteed to refer to a single engagement.
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