tagID, tagName, worldQuestType, rarity, isElite, tradeskillLineIndex, displayTimeLeft = GetQuestTagInfo(questID)

worldQuestTypes
LE_QUEST_TAG_TYPE_PVP, LE_QUEST_TAG_TYPE_PET_BATTLE, LE_QUEST_TAG_TYPE_PROFESSION, LE_QUEST_TAG_TYPE_DUNGEON