description: 'STU3: `ProcessRequest.item` (new:BackboneElement)' package_name: hl7.fhir.uv.xver-r3.r4b derivation: constraint name: ExtensionProcessRequest_Item type: Extension elements: extension: base: {max: '*', min: 0, path: Extension.extension} array: true min: 1 index: 0 slicing: rules: open ordered: false discriminator: - {path: url, type: value} min: 1 slices: sequenceLinkId: match: {url: sequenceLinkId} schema: short: 'STU3: Service instance (new)' _required: true base: {max: '*', min: 0, path: Extension.extension} index: 1 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: sequenceLinkId} index: 2 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Service instance choices: [valueInteger] index: 4 valueInteger: short: Service instance type: integer base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 5 required: [url, value, valueInteger] url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-ProcessRequest.item'} index: 6 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} choices: [] index: 8 package_version: 0.1.0 extensions: sequenceLinkId: url: sequenceLinkId short: 'STU3: Service instance (new)' _required: true base: {max: '*', min: 0, path: Extension.extension} index: 1 elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: sequenceLinkId} index: 2 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Service instance choices: [valueInteger] index: 4 valueInteger: short: Service instance type: integer base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 5 required: [url, value, valueInteger] class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-ProcessRequest.item base: http://hl7.org/fhir/StructureDefinition/Extension|4.3.0 version: 0.1.0 required: [url, extension]