ts
const appointments = await business.appointments();
// add a appointment
const newAppointmentDesc: BookingAppointment = {booking appointment details -- see Microsoft Graph documentation};
const newAppointment = appointments.add(newAppointmentDesc);
// get appointment by id
const appointment = await business.appointments.getById({appointment id})();
// cancel the appointment
await appointment.cancel();
// update appointment
const updateAppointmentDesc: BookingAppointment = {booking appointment details -- 