void main()
{
 object o = OBJECT_SELF;
 object oPC = GetLastClosedBy();
 object oTarget, oSpawn;
 location lTarget;
 int nUse = GetLocalInt(o, "IN_USE");
 int i;

 object oItem = GetFirstItemInInventory(o);
 while(GetIsObjectValid(oItem))
 {
  if(GetIsObjectValid(oItem))
  {
   i +=1;
  }
  oItem = GetNextItemInInventory(o);
 }

 if(i==1)
 {
  if(nUse!=1)
  {
    //Set that the PC who used it last is the person spawning in the scribe!
    SetLocalInt(oPC, "ITEM_USER", 1);
    SetLocalInt(o, "IN_USE", 1);
  }
 }
 else
 {
  if(GetLocalInt(oPC, "ITEM_USER")==1)
  {
   //Set that the user is now done!
   SetLocalInt(oPC, "ITEM_USER", 0);
   SetLocalInt(o, "IN_USE", 0);
  }
  //If it's not the original user, then tell them how to use it!
  else
  {
   AssignCommand(o, ActionSpeakString("You must place 1 item in the chest to use this device!", TALKVOLUME_TALK));
  }
 }
}