description: Marks the element or a set of sub-elements as optional - they do not need to be present
package_name: rs/hl7.fhir.uv.tools.r5
derivation: constraint
name: MatchetypeOptionalFlag
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/tools/StructureDefinition/matchetype-optional'}
    type: uri
    index: 1
  value:
    choices: [valueString, valueBoolean]
    index: 3
  valueString: {type: string, choiceOf: value, index: 4}
  valueBoolean: {type: boolean, choiceOf: value, index: 5}
package_version: 0.5.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/tools/StructureDefinition/matchetype-optional
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.5.0
required: [value, valueBoolean, valueString]