Frontend\Modules\FormBuilder\EventListener\FormBuilderSubmittedNotificationSubscriber::onFormSubmitted PHP Method

    public function onFormSubmitted(FormBuilderSubmittedEvent $event)
    {
        $form = $event->getForm();
        FrontendFormBuilderModel::notifyAdmin(array('form_id' => $form['id'], 'entry_id' => $event->getDataId()));
    }