Select this checkbox to let TeamCity Add-in access your Subversion VCS.
Use Subversion client
Choose how TeamCity Add-in should find the Subversion client executable.
Detected using 'Path' environment variable — this option works in most cases when the client is in the default installation directory.
Specified explicitly — select this option to manually specify the full path to the Subversion executable file svn.exe.
Login Settings
Select one of the authentication options:
Use Subversion local copy authentication — Select this option to log in using the login settings from Subversion's configuration %APPDATA%\Subversion\auth.
Use explicit login — Select this option, and then in Login and Password, specify the username and password.
Search changes in
Select one of the authentication options:
Automatically detected directories — Select this option to let the application automatically detect directories that are under Subversion control.
Manually specified directories — Select this option, and then use Add and Remove to manually specify your local directories where TeamCity Add-in will search for local changes. You can also click Autodetect to let TeamCity Add-in find all directories under Subversion control that belong to the open solution. Note that in this case, all Subversion externals, if any, must be specified explicitly.