Something

on *:text:!av*:#:{
  if ($nick isop $chan) || ($nick ishop $chan) {
    set %voicenick $2- 
    /cs access $chan add %voicenick 3
    /notice %voicenick You have been added to the auto-voice list.
    /notice $nick %voicenick has been added to the auto-voice list.
    /mode $chan +v %voicenick
  }
}