mItemPriceMinimum
U32 = 0 Minimum price, in gold. An equal price passes.
A condition that passes when the item of the current item event has a price of at
least mItemPriceMinimum. The client sets the current item in the BuyItem, Purchase
and PingShopItem situations.
U32 = 0 Minimum price, in gold. An equal price passes.