function|script|useShovel
{   // call Treasure Hunt quest. If quest handled use, skip message. See "treasure_hunt.txt"
    if (call("treasure_try_shovel", @ShovelName$)) goto L_Return;
    // More quests can be plugged in here.
    message strcharinfo(0), "You have no clue how to use this item yet.";
    goto L_Return;

L_Return:
    set @ShovelName$, "";
    return;
}