TWiki Variables » Search » Category: Users & Authentication

AUTHREALM -- authentication realm

• String defined as {AuthRealm} in configure. This is used in certain password encodings, and in login templates as part of the login prompt.
• Syntax: %AUTHREALM%
• Expands to: Enter your LoginName. (Typically First name and last name, no space, no dots, capitalized, e.g. JohnSmith, unless you chose otherwise). Visit TWikiRegistration if you do not have one.
• Category: AdministrationVariables, SecurityAndAccessControlVariables, UsersAndAuthenticationVariables
• Related: TWikiUserAuthentication, SESSIONID, SESSIONVAR, LOGIN, LOGOUT, SESSION_VARIABLE (this topic)

BUBBLESIG -- show bubble box and user signature with profile picture icon

• Syntax: %BUBBLESIG{WikiName}% or %BUBBLESIG{WikiName - YYYY-MM-DD}%
• The parameter can be either just the WikiName of a user, or by convention the WikiName followed by a dash and the date
• Example:
  -- %BUBBLESIG{TWikiGuest - 2025-10-25}%
• Expands to:
  -- TWiki Guest - 2025-10-25
• Category: EditingAndContentUpdateVariables, FormattingAndRenderingVariables, UsersAndAuthenticationVariables
• Related: USERREPORT, USERSIG, UserList, UserReports (this topic)

LOGIN -- present a full login link to non-authenticated user

• Present a login link only to users that are not logged in
• Syntax: %LOGIN%
• Expand to: Log In
• Category: LinkingAndNavigationVariables, UsersAndAuthenticationVariables
• Related: TWikiUserAuthentication, LOGINURL, LOGOUT, LOGOUTURL, SESSIONID, SESSIONVAR, SESSION_VARIABLE (this topic)

LOGINURL -- present a login link

• Present a login link, regardless of the state of login
• Syntax: %LOGINURL%
• Expand to: /do/login/TWiki/UsersAndAuthenticationVariables?origurl=/do/view/TWiki/UsersAndAuthenticationVariables
• Category: LinkingAndNavigationVariables, UsersAndAuthenticationVariables
• Related: TWikiUserAuthentication, LOGIN, LOGOUT, LOGOUTURL, SESSIONID, SESSIONVAR, SESSION_VARIABLE (this topic)

LOGOUT -- present a full logout link to authenticated user

• Present a logout link only to logged in users
• Syntax: %LOGOUT%
• Expand to:
• Category: LinkingAndNavigationVariables, UsersAndAuthenticationVariables
• Related: TWikiUserAuthentication, LOGIN, LOGINURL, LOGOUTURL, SESSIONID, SESSIONVAR, SESSION_VARIABLE (this topic)

LOGOUTURL -- present a logout link

• Present a logout link, regardless of the state of login
• Syntax: %LOGOUTURL%
• Expand to: /do/view/TWiki/UsersAndAuthenticationVariables?logout=1
• Category: LinkingAndNavigationVariables, UsersAndAuthenticationVariables
• Related: TWikiUserAuthentication, LOGIN, LOGINURL, LOGOUT, SESSIONID, SESSIONVAR, SESSION_VARIABLE (this topic)

REMOTE_USER -- environment variable

• Syntax: %REMOTE_USER%
• Expands to:
• Category: DevelopmentVariables, SystemInformationVariables, UsersAndAuthenticationVariables
• Related: ENV, HTTP_HOST, REMOTE_ADDR, REMOTE_PORT, USERNAME, WIKINAME, WIKIUSERNAME (this topic)

SESSIONID -- unique ID for this session

• Syntax: %SESSIONID%
• Expand to: 61c99b47454cf5023e7e1385ed94b6f3
• Category: DevelopmentVariables, SystemInformationVariables, UsersAndAuthenticationVariables
• Related: TWikiUserAuthentication, AUTHREALM, SESSIONVAR, LOGIN, LOGOUT, SESSION_VARIABLE (this topic)

SESSION_VARIABLE -- get, set or clear a session variable

• Session variables are stored in a personal "persistent memory space" that is not lost until the web browser is closed
• Syntax: %SESSION_VARIABLE{"name"}% - read a session variable
• Syntax: %SESSION_VARIABLE{"name" set="value"}% - set a session variable
• Syntax: %SESSION_VARIABLE{"name" clear=""}% - clear a session variable
• Special read-only session variables:
  • %SESSION_VARIABLE{"AUTHUSER"}% - user ID, current value:
  • %SESSION_VARIABLE{"SESSION_REQUEST_NUMBER"}% - number of pages accessed by current user since login, current value:
• Note: It is not possible to set/get/clear session variables starting with an underscore, such as "_NON_OF_YOUR_BUSINESS"
• Category: DevelopmentVariables, SystemInformationVariables, UsersAndAuthenticationVariables
• Related: TWikiUserAuthentication#Sessions, AUTHREALM, GET, LOGIN, LOGOUT, SESSIONID, SESSIONVAR, SET (this topic)

USERINFO{"name"} -- retrieve details about a user

• Syntax: %USERINFO%
• Expands to: guest, TWikiGuest, (comma-separated list of the username, wikiusername, and emails)
• With formatted output, using tokens $emails, $username, $wikiname, $wikiusername, $groups and $admin ($admin returns 'true' or 'false'):
  • Example: %USERINFO{ format="$username is really $wikiname" }%
  • Expands to: guest is really TWikiGuest
• Retrieve information about another user:
  • Example: %USERINFO{ "TWikiGuest" format="$username is really $wikiname" }%
  • Expands to: guest is really TWikiGuest
  • Note: The parameter should be the wikiname of a user. Since TWiki 4.2.1, you can also pass a login name. You can only get information about another user if the {AntiSpam}{HideUserDetails} configuration option is not enabled, or if you are an admin. (User details are hidden in this TWiki)
• Category: SystemInformationVariables, UsersAndAuthenticationVariables
• Related: USERNAME, WIKINAME, WIKIUSERNAME, TWikiUserAuthentication, ChangeEmailAddress (this topic)

USERNAME -- your login username

• TWiki makes names available in three formats: USERNAME like jsmith, WIKINAME like JohnSmith and WIKIUSERNAME like Main.JohnSmith. Un-authenticated users are all TWikiGuest.
• Syntax: %USERNAME%
• Expands to: guest
• Note: When used in a template topic, this variable will be expanded when the template is used to create a new topic. See TWikiTemplates#TemplateTopicsVars for details.
• Category: SystemInformationVariables, UsersAndAuthenticationVariables
• Related: REMOTE_USER, USERINFO, WIKINAME, WIKIUSERNAME, TWikiUserAuthentication (this topic)

USERREPORT -- show user reports with profile pictures

• Show various user reports documented in UserReports
• Syntax: %USERREPORT{ action="..." ... }%
• Overview of actions with parameters:

  Report	action=	Parameters
  Show a simple list of registered users	"user_list"	search, limit, sort, reverse
  Show the profile picture image of a user	"profile_picture"	user, height, width, title
  Show slim, one line height user boxes	"slim_box_start" "slim_box" or "slim_box_list" "slim_box_end"	style user, style users, style none
  Show small, two line height user boxes	"small_box_start" "small_box" or "small_box_list" "small_box_end"	style user, style users, style none
  Show users in business card format	"business_card_start" "business_card" or "business_card_list" "business_card_end"	style user, style users, style none
  Show a selector to pick a user, for use in HTML forms	"select_one_user"	name, selected, users
  Show rows of checkboxes to select users, for use in HTML forms	"select_users"	name, selected, users, colums, style

• Example: %USERREPORT{ action="user_list" search="jane" limit="5" }%
• Category: AdministrationVariables, DevelopmentVariables, UsersAndAuthenticationVariables
• Related: BUBBLESIG, SEARCH, USERSIG, UserList, UserReports (this topic)

USERSIG -- show user signature with profile picture icon

• Syntax: %USERSIG{WikiName}% or %USERSIG{WikiName - YYYY-MM-DD}%
• The parameter can be either just the WikiName of a user, or by convention the WikiName followed by a dash and the date
• Example:
  -- %USERSIG{TWikiGuest - 2025-10-25}%
• Expands to:
  -- TWiki Guest - 2025-10-25
• Category: EditingAndContentUpdateVariables, FormattingAndRenderingVariables, UsersAndAuthenticationVariables
• Related: BUBBLESIG, USERREPORT, UserList, UserReports (this topic)

WIKINAME -- your Wiki username

• The WikiName is the same as %USERNAME% if not defined in the TWikiUsers topic
• Syntax: %WIKINAME%
• Expands to: TWikiGuest
• Note: When used in a template topic, this variable will be expanded when the template is used to create new topic. See TWikiTemplates#TemplateTopicsVars for details.
• Category: SystemInformationVariables, UsersAndAuthenticationVariables
• Related: REMOTE_USER, USERINFO, USERNAME, WIKIUSERNAME, WIKIUSERSTOPIC (this topic)

WIKIUSERNAME -- your Wiki username with web prefix

• Your %WIKINAME% with Main web prefix, useful to point to your user profile page
• Syntax: %WIKIUSERNAME%
• Expands to: Main.TWikiGuest, renders as TWikiGuest
• Note: When used in a template topic, this variable will be expanded when the template is used to create a new topic. See TWikiTemplates#TemplateTopicsVars for details
• Category: SystemInformationVariables, UsersAndAuthenticationVariables
• Related: REMOTE_USER, USERINFO, USERNAME, WIKINAME (this topic)

WIKIUSERSTOPIC -- name of topic listing all registers users

• Syntax: %WIKIUSERSTOPIC%
• Expands to: TWikiUsers, with Main prefix renders as TWikiUsers
• Category: SystemInformationVariables, UsersAndAuthenticationVariables
• Related: WIKIUSERNAME (this topic)

Total: 16 variables

Related Topics: TWikiVariables, TWikiVariablesSearch, TWikiVariablesQuickStart