description: The formal FHIR type of a property - used for the value property of a primitive type (for which there is no type in the FHIR typing system), and Element.id and Extension.url.
package_name: rs/hl7.fhir.r4.core
derivation: constraint
name: fhir-type
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type'}
    type: uri
    index: 1
  value:
    choices: [valueUrl]
    index: 3
  valueUrl: {type: url, choiceOf: value, index: 4}
package_version: 4.0.1
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 4.0.1
required: [value, valueUrl]