Chooses a quest available from the current Quest NPC. Causes the
QUEST_DETAIL event to fire, in which the questgiver presents the player with the details of a quest and the option to accept or decline.
Note: Most quest NPCs present available quests using the
GetGossipAvailableQuests() instead of this function.
See also Quest functions.
index- Index of a quest available from the current Quest NPC (between 1 and