void main()
{
   // Check to see if the trap door is open.  It will return 0 if the
   // variable has never been set.
  int currentState=GetLocalInt(OBJECT_SELF,"DOOR_OPEN");

  if (currentState==0)
  {
      // Display a string, it will be tagged as coming from the name of
      // the object (trapdoor).
     ActionSpeakString("The trap door opens with a creak");
     // I added a sound object near the trap door with the wood creak sound
     // and labeled it TrapDoorOpen.
     SoundObjectPlay(GetObjectByTag("TrapDoorOpen"));
     // Display the trap door opening, and it will stay opening.
     ActionPlayAnimation(ANIMATION_PLACEABLE_OPEN);
     // Make sure that the next time we come through this code we will
     // use the other segment of code.
     SetLocalInt(OBJECT_SELF,"DOOR_OPEN",1);
  }
  else
  {
     // Now that the trap door is open start a conversation, this will
     // allow the user to select if they wish to descend, or if to stay
     // up.  [I could also add an option to close the door, but don't have
     // that yet].
     //  If they choose to descend, see below for an example of the code that
     // gets used.
     //BeginConversation("trapdoorconv",GetLastUsedBy());

   // If you instead wished to transport them directly, you could use a
   // Scripts such as the following.
   //
      location lLoc = GetLocation(GetObjectByTag("WP_trap"));
      AssignCommand(GetPCSpeaker(), JumpToLocation(lLoc));
  }
}