Actioning the decision from the meeting on October 3:
WORKING DECISION for spec on GetReferenceKey() Implementations:
MUST support relative references
SHOULD output NULL if not able to generate a key
MAY support more types of references
MAY generate error list of unprocessable references in an implementation specific manner
Add high-level guidance on suggestions for contained resource references. Link back to the data layer and FHIR spec sections.
Actioning the decision from the meeting on October 3: