description: This cross-version extension represents DeviceDefinition.link from http://hl7.org/fhir/StructureDefinition/DeviceDefinition|5.0.0 for use in FHIR R4B. package_name: hl7.fhir.uv.xver-r5.r4b derivation: constraint name: Ext_R5_DeviceDefinition_link type: Extension elements: extension: base: {max: '*', min: 0, path: Extension.extension} array: true min: 2 index: 0 slicing: rules: closed ordered: false discriminator: - {path: url, type: value} min: 2 slices: relation: match: {url: relation} schema: base: {max: '*', min: 0, path: Extension.extension} short: The type indicates the relationship of the related device to the device instance _required: true index: 1 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: relation} index: 2 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: The type indicates the relationship of the related device to the device instance choices: [valueCoding] index: 4 valueCoding: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: Coding short: The type indicates the relationship of the related device to the device instance choiceOf: value index: 5 required: [url] relatedDevice: match: {url: relatedDevice} schema: base: {max: '*', min: 0, path: Extension.extension} short: A reference to the linked device _required: true index: 6 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: relatedDevice} index: 7 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: A reference to the linked device choices: [valueCodeableReference] index: 9 valueCodeableReference: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: CodeableReference short: A reference to the linked device choiceOf: value index: 10 required: [url] url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceDefinition.link'} index: 11 package_version: 0.0.1-snapshot-2 extensions: relation: url: relation base: {max: '*', min: 0, path: Extension.extension} short: The type indicates the relationship of the related device to the device instance _required: true index: 1 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: relation} index: 2 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: The type indicates the relationship of the related device to the device instance choices: [valueCoding] index: 4 valueCoding: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: Coding short: The type indicates the relationship of the related device to the device instance choiceOf: value index: 5 required: [url] relatedDevice: url: relatedDevice base: {max: '*', min: 0, path: Extension.extension} short: A reference to the linked device _required: true index: 6 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: relatedDevice} index: 7 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: A reference to the linked device choices: [valueCodeableReference] index: 9 valueCodeableReference: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: CodeableReference short: A reference to the linked device choiceOf: value index: 10 required: [url] class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceDefinition.link base: http://hl7.org/fhir/StructureDefinition/Extension|4.3.0 version: 0.0.1-snapshot-2 required: [url]