Upstream identifiers of a RetentionContest.
Information about the 4 fields and the definitions of any abbreviated values.
contest Foreign Key (type determined by related field)
Reference to the RetentionContest linked to the upstream identifier.
id Universally unique identifier
identifier String (up to %(max_length)s)
A unique identifier developed by an upstream or third party source.
scheme String (up to %(max_length)s)
The name of the service that created the identifier.