description: An arbitratry string included by a submitting jurisdiction package_name: hl7.fhir.us.vrdr derivation: constraint name: StateSpecificField type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/vrdr/StructureDefinition/StateSpecificField'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 2.0.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/vrdr/StructureDefinition/StateSpecificField base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0 required: [valueString, value]