description: Advance Directive Information VersionNumber Extension represents a numeric value used to version successive replacement documents. package_name: hl7.fhir.us.pacio-adi.r4b derivation: constraint name: VersionNumber type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/pacio-adi/StructureDefinition/adi-versionNumber-extension'} index: 1 value: mustSupport: true choices: [valueInteger] index: 6 slicing: slices: valueInteger: match: {} schema: mustSupport: true choices: [valueInteger] index: 6 min: 0 max: 1 valueInteger: type: integer mustSupport: true choiceOf: value index: 7 slicing: slices: valueInteger: match: {} schema: {type: integer, mustSupport: true, choiceOf: value, index: 7} min: 0 max: 1 package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/pacio-adi/StructureDefinition/adi-versionNumber-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0