Added in 2.3
$eventtarget(type, channel)
Returns the event target settings for a event type/channel.
0 = In Channel.
1 = In Status.
2 = Hide.
Number is relative to the event dropdowns.
Parameters
type - Event type to check (join,mode,part,topic,quit,ctcp,kick,nick).
channel - The channel to check.
Example
on ^*:JOIN:*:{
  if ($eventtarget(join, #) == 2) {
    ; Hide
    halt
  }
  if ($eventtarget(join, #) == 1) {
    ; Show in status window.
    echo -s $nick joins #
  }
  else {
    ; Show in channel window.
    echo # $nick joins #
  }
  halt
}