on *:text:(commandhere eg!pcw)*:*:{
  .notice $nick (the pcw is %world)
}
on *:text:(how to set it eg !setpcw)*:#:{
  if (($nick isop #90) || ($nick ishop #90)) { {
      set %world $2-
      msg $chan (here goes eg pcw has updated put pcw to see it)
    }
    else {
      .notice $nick (eg u gotta be op to set a world) 
    }