description: 'STU3: `ActivityDefinition.dynamicValue.language` additional types (string) additional types from child elements (value)' package_name: hl7.fhir.uv.xver-r3.r4b derivation: constraint name: ExtensionActivityDefinition_DynamicValue_Language type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-ActivityDefinition.dynamicValue.language'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Language of the expression choices: [valueString] index: 2 valueString: short: Language of the expression type: string base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 3 package_version: 0.1.0 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-ActivityDefinition.dynamicValue.language base: http://hl7.org/fhir/StructureDefinition/Extension|4.3.0 version: 0.1.0 required: [url]