Mine

on *:TEXT:!av*:#thepc,#thepc.staff:{
  if ($nick isop $chan || $nick ishop $chan) { 
    if ($$2 ison $chan) {
      guser 3 $$2 3
      mode $chan +v $$2
      notice $nick  $+ $$2 has been added to the AVOICE list.
    }
    else {
      notice $nick  $+ $$2 must be in the channel to be added to the AVOICE list!
    }
  }
}
on 3:JOIN:#thepc,#thepc.staff:{ 
  /mode $chan +v $nick
}