JAchievements - a great achievement system users for social network JomSocial. Any user of any social network wants to stand out from the rest of any of his achievements in a particular area. JAchievements - a complete solution for creating a performance system users of social networks of any subject!
Full documentation (user manuals) to component JAchievements you'll find here (PDF file).
You can also read the document "Quick Start" and start right now!
Having issues? You'll also available section FAQ, which might have information useful for you.