Added in 1.8.10

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

Triggers when a user joins a channel.

See also on PART, /join.

Haltable using ^

Parameters

<level> - The User Access 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

; Override the join event to print a custom text and then tell AdiIRC to ignore it's own text.
on ^*:JOIN:*:{
  echo -tcbf join $chan * $nick ( $+ $fulladdress $+ ) join $chan
  halt
}