description: This cross-version extension represents Basic.author from http://hl7.org/fhir/StructureDefinition/Basic|3.0.2 for use in FHIR R5. package_name: rs/hl7.fhir.uv.xver derivation: constraint name: ext_R3_Basic_author type: Extension elements: url: pattern: {type: uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-Basic.author'} type: uri index: 0 package_version: r3.r5-0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-Basic.author base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]