void main()
{
    // Replenish chect only once every 20 seconds
    // Check if we already have enough gold (will be FALSE the first time through)
    int bAlreadyHaveGold = GetLocalInt (OBJECT_SELF, "ALREADY_HAVE_GOLD");
    if (!bAlreadyHaveGold)
    {
        // Can replenish, so do it now
        // If there is any gold there already, don't create any more
        object oItem = GetFirstItemInInventory (OBJECT_SELF);
        int bFoundGold = FALSE;
        while (GetIsObjectValid (oItem))
        {
            if (GetBaseItemType (oItem) == BASE_ITEM_GOLD)
            {
                // Found some gold in the chest !!
                bFoundGold = TRUE;
                break;
            }
            oItem = GetNextItemInInventory (OBJECT_SELF);
        }
        // Check if no gold found
        if (!bFoundGold)
        {
            // Put 20 gp into the chest's inventory
            object oItem = CreateItemOnObject ("nw_it_gold001", OBJECT_SELF, 20);
            // We have created the gold, so say we have enough
            SetLocalInt (OBJECT_SELF, "ALREADY_HAVE_GOLD", TRUE);
            // Only allow more gold in 20 secs
            float fSecsToDelay = 20.0;
            DelayCommand (fSecsToDelay, SetLocalInt (OBJECT_SELF, "ALREADY_HAVE_GOLD", FALSE));
        }
    }
}