On this tab, you can see a list of all members of the group. You can Edit () or Delete (
) users in the list. You can also Approve (
) members' requests for joining the group or Reject (
) them from the group. Once rejected, the user cannot request to join the group until they are approved again.
More resources can be found at Developer's Guide -> Modules -> Groups -> Overview.
Page url: http://devnet.kentico.com/docs/5_5r2/contexthelp/index.html?group_members_list.htm