Someone

on $*:TEXT:/^!a(h|v|o) */Si:#: { 
  if ($address($nick,2) == $address($me,2)) {
    if ($right($1,1) == h) { 
      cs access add $chan $2 4
      notice $nick $2 added to channel access at level 4
    } 
    elseif ($right($1,1) == v) { 
      cs access add $chan $2 3 
      notice $nick $2 added to channel access at level 3
    } 
    elseif ($right($1,1) == o) {
      if (!$3) {
        cs access add $chan $2 5
        notice $nick $2 added to channel access at level 5
      }
      else {
        cs access add $chan $2 $3
        notice $nick $2 added to channel access at level $3
      }
    }
  }
}