Fills the tooltip with information about an item in a questgiver dialog
Signature:
GameTooltip:SetQuestItem("itemType", index)
Arguments:
itemType- Token identifying one of the possible sets of items (string)choice- Items from which the player may choose a rewardrequired- Items required to complete the questreward- Items given as reward for the quest
index- Index of an item in the set (between 1 andGetNumQuestChoices(),GetNumQuestItems(), orGetNumQuestRewards(), according toitemType) (number)