post https://{api_url}/api/v5/admin//reasons
Creates reason.
Reasons allow you to add in the selectable causes behind the selected action. You can add as many reasons as required for admins to select from the calendar to tie the reason to the booking. Cancellation reasons allow admins to select from the list of reasons why the booking has been cancelled. Block time reasons allow admins to select from the list of reasons why a selected time slot in the calendar needs to be blocked.