{
  "resourceType" : "AppointmentResponse",
  "identifier" : [" Identifier "], 
  "appointment" : " Reference(Appointment) ", 
  "start" : "<instant>",
  "end" : "<instant>",
  "participantType" : [" CodeableConcept "], 
  "actor" : " Reference(Patient|Practitioner|RelatedPerson|Device|HealthcareService|Location) ", 
  "participantStatus" : "<code>", 
  "comment" : "<string>"
}