description: null package_name: fhir.r4.wales.stu1 derivation: constraint name: DataStandardsWalesDevice type: Device elements: identifier: index: 0 slicing: rules: open discriminator: - {path: system, type: value} min: null slices: applicationInstanceId: match: {system: 'https://fhir.nhs.wales/Id/application-instance-identifier'} schema: short: The Id of the application instance used index: 1 elements: system: pattern: {type: uri, value: 'https://fhir.nhs.wales/Id/application-instance-identifier'} type: uri index: 2 value: {index: 3} required: [system, value] status: {mustSupport: true, index: 4} type: {mustSupport: true, index: 5} package_version: 1.1.0 class: profile kind: resource url: https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Device base: https://fhir.hl7.org.uk/StructureDefinition/UKCore-Device version: null