description: FUME Mapping expression package_name: laniado.test.fhir.r4 derivation: constraint name: MappingExpression type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://fhir.fume.health/StructureDefinition/mapping-expression'} index: 1 value: choices: [valueExpression] index: 3 valueExpression: {type: Expression, choiceOf: value, index: 4} value[x]: elements: language: pattern: {type: Code, value: application/vnd.outburn.fume} index: 5 expression: {index: 6} required: [expression] package_version: 0.1.64 extensions: {} class: extension kind: complex-type url: http://fhir.fume.health/StructureDefinition/mapping-expression base: http://hl7.org/fhir/StructureDefinition/Extension version: null