FHIRModelData Typescanonical canonical Primitive typeNormativeA URI that is a reference to a canonical URL on a FHIR resourceStructureHL7 specificationStructureDefinition JSON Structure Show inherited elements (3)ElementCard.TypeDescriptionid0..1stringxml:id (or equivalent in JSON)extension0..*ExtensionAdditional content defined by implementationsvalue0..1stringPrimitive value for canonicalΣ in _summary results · ?! modifier element · 1.. required · inherited elements in grey