description: This cross-version extension represents ExpansionProfile.fixedVersion from http://hl7.org/fhir/StructureDefinition/ExpansionProfile|3.0.2 for use in FHIR R4. package_name: rs/hl7.fhir.uv.xver derivation: constraint name: ext_R3_ExpansionProfile_fixedVersion type: Extension elements: extension: array: true min: 3 index: 0 slicing: rules: closed ordered: false discriminator: - {path: url, type: value} min: 3 slices: system: match: {url: null} schema: isModifier: false short: System to have its version fixed _required: true index: 1 elements: value: base: {path: 'Extension.value[x]'} short: System to have its version fixed choices: [valueUri] index: 3 valueUri: base: {path: 'Extension.value[x]'} type: uri short: System to have its version fixed choiceOf: value index: 4 version: match: {url: null} schema: isModifier: false short: Specific version of the code system referred to _required: true index: 5 elements: value: base: {path: 'Extension.value[x]'} short: Specific version of the code system referred to choices: [valueString] index: 7 valueString: base: {path: 'Extension.value[x]'} type: string short: Specific version of the code system referred to choiceOf: value index: 8 mode: match: {url: null} schema: isModifier: false short: default | check | override _required: true index: 9 elements: value: base: {path: 'Extension.value[x]'} short: default | check | override choices: [valueCode] index: 11 valueCode: base: {path: 'Extension.value[x]'} type: code short: default | check | override choiceOf: value index: 12 url: pattern: {type: uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-ExpansionProfile.fixedVersion'} type: uri index: 13 package_version: r3.r4-0.0.1-snapshot-1 extensions: system: url: null isModifier: false short: System to have its version fixed _required: true index: 1 elements: value: base: {path: 'Extension.value[x]'} short: System to have its version fixed choices: [valueUri] index: 3 valueUri: base: {path: 'Extension.value[x]'} type: uri short: System to have its version fixed choiceOf: value index: 4 version: url: null isModifier: false short: Specific version of the code system referred to _required: true index: 5 elements: value: base: {path: 'Extension.value[x]'} short: Specific version of the code system referred to choices: [valueString] index: 7 valueString: base: {path: 'Extension.value[x]'} type: string short: Specific version of the code system referred to choiceOf: value index: 8 mode: url: null isModifier: false short: default | check | override _required: true index: 9 elements: value: base: {path: 'Extension.value[x]'} short: default | check | override choices: [valueCode] index: 11 valueCode: base: {path: 'Extension.value[x]'} type: code short: default | check | override choiceOf: value index: 12 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-ExpansionProfile.fixedVersion base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]