Returns the title awarded when completing a quest.
Only valid when the questgiver UI is showing the accept/decline or completion stages of a quest dialog (between the QUEST_DETAIL and QUEST_FINISHED events, or between the QUEST_COMPLETE and QUEST_FINISHED events); otherwise may return nil or a value from the most recently displayed quest.
See also Quest functions.
Signature:
title = GetRewardTitle()
Returns:
title- The title to be awarded, or nil if the quest does not reward a title (string)