App\Providers\MacroServiceProvider::register PHP Method

    public function register()
    {
        parent::register();
        $this->app->singleton('form', function ($app) {
            $form = new Macros($app['html'], $app['url'], $app['view'], $app['session.store']->getToken());
            return $form->setSessionStore($app['session.store']);
        });
    }