void main()
{
object oPC = GetLastOpenedBy();

if ((GetItemPossessedBy(oPC, "stash_key1")!=OBJECT_INVALID)||
    (GetItemPossessedBy(oPC, "stash_key2")!=OBJECT_INVALID))
    {
     FloatingTextStringOnCreature("** You already have a stash chest **", oPC);
    }
else
   {
     if (GetItemPossessedBy(oPC, "stash_key3")==OBJECT_INVALID)
       {
       CreateItemOnObject("stash_key3", oPC, 1);
       FloatingTextStringOnCreature("** Key Acquired **", oPC);
       PlaySound("gui_picklockopen");
       }
    else
       {
        FloatingTextStringOnCreature("Welcome back, "+GetName(oPC), oPC);
       }
   }
}