# Booking Booking Source Supported sources a booking was created from. ## Enumeration `BookingBookingSource` ## Fields | Name | Description | | --- | --- | | `FIRST_PARTY_MERCHANT` | The booking was created by a seller from a Square Appointments application, such as the Square Appointments Dashboard or a Square Appointments mobile app. | | `FIRST_PARTY_BUYER` | The booking was created by a buyer from a Square Appointments application, such as Square Online Booking Site. | | `THIRD_PARTY_BUYER` | The booking was created by a buyer created from a third-party application. | | `API` | The booking was created by a seller or a buyer from the Square Bookings API. |