description: 'R5: `Appointment.recurrenceId` (new:positiveInt)' package_name: hl7.fhir.uv.xver-r5.r4b derivation: constraint name: ExtensionAppointment_RecurrenceId type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-Appointment.recurrenceId'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: The sequence number in the recurrence choices: [valuePositiveInt] index: 2 valuePositiveInt: short: The sequence number in the recurrence type: positiveInt base: {max: '1', min: 0, path: 'Extension.value[x]'} choiceOf: value index: 3 package_version: 0.1.0 class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-Appointment.recurrenceId base: http://hl7.org/fhir/StructureDefinition/Extension|4.3.0 version: 0.1.0 required: [url]