A system unique identifier. Specifically, in aggregation systems, the key is the system unique identifier from the system that the record was just retrieved. This may be identical to the related...10/26/2017
DefinitionA system unique identifier. Specifically, in aggregation systems, the key is the system unique identifier from the system that the record was just retrieved. This may be identical to the related xxxId identifier, but the key is guaranteed unique for this record set.
