DROP-TRIGGER

DROP:
  Triggered when the actor uses "drop" command on an object.  Phrase can 
  be: vnum, name, or "all".
Example:
add 300 drop 200         (trigger only when object with vnum 200 is dropped)
add 300 drop sword       (trigger only when object with keyword "sword" is dropped)
add 300 drop all         (trigger on any object being dropped)