NameDescriptionTypeAdditional information
ProcessId

Process ID of the appointment to cancel.

integer

None.

UserId

User Id of rescheduler (typically 1 = System Admin/API)

integer

None.

CancellationReasonId

Cancellation Reason Id. If 0 or nothing passed, the system will use the first CancellationReason's ID found.

integer

None.

CancellationReasonExtRef

string

None.

CancellationComment

Cancellation Comment

string

None.