extension shown: fhir [x]

DocumentReference.context.related.ref

Defined in the fhir.schema.org extension.
Canonical URL: http://schema.org/DocumentReference.context.related.ref

Thing > Property > DocumentReference.context.related.ref

Related Resource to this DocumentReference. If both id and ref are present they shall refer to the same thing.

Usage: Fewer than 10 domains
Values expected to be one of these types
Resource
Used on these types
DocumentReference

Schema Version 2.2