Here is a list of all related documentation pages:

Off-line documentation	Download this documentation as PDF
Web server setup	In this section you will learn how to setup a web server on your local machine and install Combu
Server and Client configuration	In this section you will learn how to setup your server and client
Authentication and Users	In this section you will learn how to authenticate the local user, create a new user and load your users
Server Settings	In this section you will learn how to create server settings and access them from client
Linking external platforms	In this section you will learn how to authenticate and link the local user to an external platform like GameCenter, Facebook etc
Managing Contacts	In this section you will learn how to retrieve the contacts lists of the local user and how to add/remove users to the friends/ignore lists
Managing Files	In this section you will learn how to retrieve the files lists of the local user or anyway accessible by him and how to add/remove files
Managing Inventory	In this section you will learn how to manage the inventory of the local user
Managing Messages	In this section you will learn how to manage the in-game inbox of the local user
Managing User Groups	In this section you will learn how to manage the user groups
Managing News	In this section you will learn how to retrieve the in-game news
Managing Leaderboards	In this section you will learn how to access the leaderboards data and report a score
Managing Achievements	In this section you will learn how to load the achievements and report a progress
Managing Tournaments	In this section you will learn how to retrieve the tournaments list of the local user and how to add/remove tournaments
Managing Matches	In this section you will learn how to retrieve the matches list of the local user and how to add/remove matches