ParseUserLogOut Method Parse
Logs out the currently logged in user session. This will remove the session from disk, log out of linked services, and future calls to CurrentUser will return null.

Namespace: Parse
Assembly: Parse (in Parse.dll) Version: 1.5.5.0 (1.5.5.0)
Syntax

public static void LogOut()
Remarks

Typically, you should use LogOutAsync, unless you are managing your own threading.
See Also

Reference