This end point returns Booking Field definitions.
Appointment booking fields are different than Customer booking fields. Appointment booking fields are
stored with each appointment. They are used when the information collected during the booking is specific
to a particular visit.
Use the field, and type to determine how to update field values
in PUT /consumer/v1/appointments/bookingfields.
Booking Fields include any custom appointment fields you wish to capture with the Booking and also
miscellaneous appointment attributes including address information.
For more information see Appointment booking fields