Fills the tooltip with information about an alternate currency required to purchase an item from a vendor.
Fills the tooltip with information about an alternate currency required to purchase an item from a vendor. Only applies to item-based currencies, not honor or arena points.
Signature:
Code
GameTooltip:SetMerchantCostItem(index, currency)
Arguments:
index - Index of an item in the vendor's listing (between 1 and GetMerchantNumItems()) (number)
currency - Index of one of the item currencies required to purchase the item (between 1 and select(3,GetMerchantItemCostInfo(index))) (number)