Union of https://canonical.fhir.link/servicewell/wof-portal/StructureDefinition/activity-definition-reference and https://canonical.fhir.link/servicewell/wof-portal/StructureDefinition/activity-definition-reference

This is the set of resources that conform to either of the profiles ActivityDefinitionReference (https://canonical.fhir.link/servicewell/wof-portal/StructureDefinition/activity-definition-reference) and ActivityDefinitionReference (https://canonical.fhir.link/servicewell/wof-portal/StructureDefinition/activity-definition-reference). E.g. what you have to deal with if you get resources conforming to one of them

Structure

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..*ActivityDefinitionReference
... url 1..1uriidentifies the meaning of the extension
... value[x] 1..1Reference(ActivityDefinitionPortal | #sd+69-activity-definition-portal-activity-definition-portal)Reference to an ActivityDefinition

doco Documentation for this format