description: Indicator flag for Closing the Gap registration eligibility for an Australian patient. package_name: hl7.fhir.au.base derivation: constraint name: ClosingTheGapRegistration type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org.au/fhir/StructureDefinition/closing-the-gap-registration'} index: 0 valueBoolean: type: boolean index: 1 slicing: slices: valueBoolean: match: {} schema: {type: boolean, _required: true, index: 1} min: 1 package_version: 1.0.0 class: extension kind: complex-type url: http://hl7.org.au/fhir/StructureDefinition/closing-the-gap-registration base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [valueBoolean]