There are a bunch of different events that are sent out by Confrere.
Sent when an appointment was created in Confrere. This is usually done when a visitor submits their name and password from the professional profile page.
Sent when a visitor enters the waiting room after completing the appointment onboarding of checking camera/microphone, and optionally payment and authentication.
Sent when a professional hangs up, thereby completing the appointment and rendering it unusable for the future.