API IsBattlePayItem

Returns whether an item was purchased from the in-game store.
 isPayItem = IsBattlePayItem(bag, slot)
==Arguments==
:;bag: (bagID) - container ID, e.g. 0 for backpack.
:;slot: - slot index within the container, ascending from 1.
==Returns==
:;isPayItem: - true if the item was purchased from the in-game store, false otherwise.
==Patch changes==