You can assign Tags on the users of your app now!
The Tags functionality allows grouping users of your app and filtering them by group.
You will find relevant APIs to work with users’ tags on: http://wiki.quickblox.com/Users.
To assign a tag on a user via Admin panel you need to refer to the module Users for one of your apps and open “Edit profile” page for a user (see the screenshot below). You can add a tag either by entering its name on the textfield below inscription “Tags” or by choosing a tag from the “Popular tags” list.
Group the users of your app with users’ tags!