EXALL-TRIGGER

EXALL:
  Triggered when the actor exists the room with owner in it. Unlike EXIT
  EXALL triggers regardless of state of the owner, its position or if it can 
  see the actor.  Phrase is the direction that will cause the trigger (up, down
  east, west, north, south)
  NOTE:
    All morp have ability to use "stop <target>" command, that will cause the
    target player/mob to abort exit in that direction.  Useful for blocking
    certain rooms, and exists unless specific conditions are met.
    Example:  
      room stop $n
  END NOTE
Example:
add 300 exit north