description: Documents maintenance on the device. package_name: acme.canada.2023 derivation: constraint name: MaintenanceEvent type: Extension elements: extension: index: 0 slicing: slices: datePerformed: match: {} schema: _required: true index: 1 extensions: {} elements: extension: {index: 2} url: pattern: {type: Uri, value: datePerformed} index: 3 value: choices: [valueDate] index: 5 valueDate: {type: date, choiceOf: value, index: 6} currentDeviceHours: match: {} schema: index: 7 extensions: {} elements: extension: {index: 8} url: pattern: {type: Uri, value: currentDeviceHours} index: 9 value: choices: [valueDecimal] index: 11 valueDecimal: {type: decimal, choiceOf: value, index: 12} performer: match: {} schema: array: true index: 13 extensions: {} elements: extension: {index: 14} url: pattern: {type: Uri, value: performer} index: 15 value: choices: [valueString] index: 17 valueString: {type: string, choiceOf: value, index: 18} url: pattern: {type: Uri, value: 'http://example.org/StructureDefinition/maintenance-event'} index: 19 value: choices: [] index: 21 package_version: 0.0.1-alpha extensions: datePerformed: url: null _required: true index: 1 extensions: {} elements: extension: {index: 2} url: pattern: {type: Uri, value: datePerformed} index: 3 value: choices: [valueDate] index: 5 valueDate: {type: date, choiceOf: value, index: 6} currentDeviceHours: url: null index: 7 extensions: {} elements: extension: {index: 8} url: pattern: {type: Uri, value: currentDeviceHours} index: 9 value: choices: [valueDecimal] index: 11 valueDecimal: {type: decimal, choiceOf: value, index: 12} performer: url: null array: true index: 13 extensions: {} elements: extension: {index: 14} url: pattern: {type: Uri, value: performer} index: 15 value: choices: [valueString] index: 17 valueString: {type: string, choiceOf: value, index: 18} class: extension kind: complex-type url: http://example.org/StructureDefinition/maintenance-event base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [extension]