get https://sandbox-api.onsched.com/consumer/v1/appointments/customfields
Use this endpoint to return a locations Appointment Custom Field definitions. Appointment custom fields are stored with each appointment. They are used when the information collected during the booking is specific to a particular appointment/visit. The response will list the custom fields used (customField1 - 10), the field type (string, number, date, boolean) and the length of each one.