Optional
_requiredOptional
_statusaccepted | declined | tentative | needs-action
Optional
actorPerson, Location/HealthcareService or Device
Optional
extensionAdditional content defined by implementations
Optional
idUnique id for inter-element referencing
Optional
modifierExtensions that cannot be ignored even if unrecognized
Optional
periodParticipation period of the actor
Optional
requiredrequired | optional | information-only
accepted | declined | tentative | needs-action
Optional
typeRole of participant in the appointment
required | optional | information-only