Both users and groups can be hidden from common view and made visible only to the admin or to selected users and groups. You do this the same way as you access control ...
#VarGROUPS GROUPS a formatted list of groups Deprecated do not use. Use VarGROUPINFO instead * Expands to a formatted list of user groups in your Foswiki. ...
#VarUSERINFO USERINFO{"name"} retrieve details about a user * Syntax: %USERINFO% * Expands to: (comma separated list of the username, wikiusername, and emails ...