description: Where CodeSystem properties are of type code or Coding, this ValueSet defines the permitted set of concepts to be used in CodeSystem.concept.property. package_name: hl7.fhir.uv.extensions derivation: constraint name: CSPropertyValueSet type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/codesystem-property-valueset'} index: 1 value: choices: [valueCanonical] index: 3 valueCanonical: {type: canonical, choiceOf: value, index: 4} package_version: 5.2.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/codesystem-property-valueset base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.2.0-ballot required: [valueCanonical, value]