Triggers when the following events occur (Scheduled, Rescheduled, Canceled and then Rescheduled, Canceled Reschedule Requested, Canceled, Completed, No Show).
Listens for incoming chat messages.
Triggers when a new message is received.
Sends a response to the address from which a message was received.
Sends a one-off message to a chat room.
Sends a message.
Sends an action.
Uploads assets that can be sent in messages at a later time.
Retrieves details of the sender.