public function register() { $this->app->singleton('onesignal', function ($app) { $settings = $app['config']->get('services.onesignal'); $config = new Config(); $config->setApplicationId($settings['app_id']); $config->setApplicationAuthKey($settings['app_key']); $config->setUserAuthKey($settings['user_key']); return new OneSignal($config); }); }