Added in 1.8.10

on <level>:JOIN:<#|*>:<commands>

Triggers when a user joins a channel.

See also on PART.

Parameters

<level> - The level for the event to trigger.
<#|*> - The Matchtarget to listen to.
<commands> - The commands to be performed when the event listener's criteria is met.

Example

on *:JOIN:*:echo -ag $nick joined $chan