Union of http://hl7.eu/fhir/StructureDefinition/composition-basedOn-order-or-requisition and http://hl7.eu/fhir/StructureDefinition/composition-basedOn-order-or-requisition

This is the set of resources that conform to either of the profiles Composition: Based On Order (http://hl7.eu/fhir/StructureDefinition/composition-basedOn-order-or-requisition) and Composition: Based On Order (http://hl7.eu/fhir/StructureDefinition/composition-basedOn-order-or-requisition). E.g. what you have to deal with if you get resources conforming to one of them

Structure

NameFlagsCard.TypeDescription & Constraints    Filter: doco
Extension 0..*Composition: Based On Order
Extension.url 1..1uriidentifies the meaning of the extension
Extension.value[x] 0..1Value of extension
Extension.value[x].valueIdentifierIdentifier
Extension.value[x].valueReferenceReference(ServiceRequest)

doco Documentation for this format