Login:Logout button to add to autonav in Concrete5. This gets added just before the end of the script above the last code block. Make sure you duplicate the autonav>view.php.

Login:Logout button to add to autonav

$u = new User();
         if($u->isLoggedIn()){
            echo('<li><a href="' . $this->url('/login/logout') . '">Log Out</a>');
           
         }else{
            echo('<li><a href="' . $this->url('/login') . '">Log In</a>');
         }