description: null package_name: uk.nhsdigital.r4 derivation: constraint name: ExtensionNHSDigitalServiceRequestWorkflow type: Extension elements: extension: array: true min: 2 index: 0 slicing: rules: open discriminator: - {path: url, type: value} min: 2 slices: businessStatus: match: {url: businessStatus} schema: _required: true index: 1 elements: url: pattern: {type: Uri, value: businessStatus} index: 2 value: choices: [valueCode] index: 4 valueCode: {type: code, choiceOf: value, index: 5} worklistItem: match: {url: worklistItem} schema: _required: true index: 6 elements: url: pattern: {type: Uri, value: worklistItem} index: 7 value: choices: [valueReference] index: 9 valueReference: type: Reference choiceOf: value refers: ['https://fhir.nhs.uk/StructureDefinition/NHSDigital-Task'] index: 10 url: pattern: {type: Uri, value: 'https://fhir.nhs.uk/StructureDefinition/Extension-NHSDigital-ServiceRequest-Workflow'} index: 11 value: choices: [] index: 13 package_version: 2.4.4 extensions: businessStatus: url: businessStatus _required: true index: 1 elements: url: pattern: {type: Uri, value: businessStatus} index: 2 value: choices: [valueCode] index: 4 valueCode: {type: code, choiceOf: value, index: 5} worklistItem: url: worklistItem _required: true index: 6 elements: url: pattern: {type: Uri, value: worklistItem} index: 7 value: choices: [valueReference] index: 9 valueReference: type: Reference choiceOf: value refers: ['https://fhir.nhs.uk/StructureDefinition/NHSDigital-Task'] index: 10 class: extension kind: complex-type url: https://fhir.nhs.uk/StructureDefinition/Extension-NHSDigital-ServiceRequest-Workflow base: http://hl7.org/fhir/StructureDefinition/Extension version: null