Union of http://hl7.org/fhir/StructureDefinition/composition-clinicaldocument-versionNumber and http://hl7.org/fhir/StructureDefinition/composition-clinicaldocument-versionNumber

This is the set of resources that conform to either of the profiles Composition Version Number (http://hl7.org/fhir/StructureDefinition/composition-clinicaldocument-versionNumber) and Composition Version Number (http://hl7.org/fhir/StructureDefinition/composition-clinicaldocument-versionNumber). 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..1Version-specific identifier for composition
... url 1..1uriidentifies the meaning of the extension
... value[x] 1..1stringValue of extension

doco Documentation for this format