Added in 1.8.10
on <level>:QUIT:<commands>
Triggers when a user quits IRC while on the same channel as you.
Haltable using ^
Parameters
<level> - The User Access Level for the event to trigger.
<commands> - The commands to be performed when the event listener's criteria is met.
Example
on *:QUIT:echo -ag $nick just quit IRC with quit message $1-