description: This cross-version extension represents Appointment.participant.type from http://hl7.org/fhir/StructureDefinition/Appointment|1.0.2 for use in FHIR R4B. package_name: rs/hl7.fhir.uv.xver derivation: constraint name: ext_R2_Appointment_pa_type type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Role of participant in the appointment choices: [valueCodeableConcept] index: 1 valueCodeableConcept: base: {path: 'Extension.value[x]'} type: CodeableConcept short: Role of participant in the appointment choiceOf: value index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-Appointment.participant.type'} type: uri index: 3 package_version: r2.r4b-0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/1.0/StructureDefinition/extension-Appointment.participant.type base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]