A system unique identifier. Specifically, in aggregation systems, the MemberKey is the system unique identifier from the system that the record was retrieved. This may be identical to the related...1/17/2017
DefinitionA system unique identifier. Specifically, in aggregation systems, the MemberKey is the system unique identifier from the system that the record was retrieved. This may be identical to the related xxxId. This is a foreign key relating to the Member Resource's MemberKey.