The <Leave> verb is used in conjunction with <Enqueue> to manage control of a call that is in a queue.
When Twilio executes the <Leave> verb on a call, the call is removed from the queue and Twilio executes the next TwiML verb after the the original <Enqueue>.
Verb Attributes
The <Leave> verb doesn't support any attributes.
Example: Leaving a Queue
Consider the following scenario: There are several calls waiting in a call queue for a customer support agent. The customer support line closes at 9PM and the callers must be notified that they have been removed from the queue and will have to try again tomorrow.