Frontend\Modules\FormBuilder\Widgets\Form::execute PHP Method

    public function execute()
    {
        parent::execute();
        $this->loadTemplate();
        $this->loadData();
        // success message
        if ($this->URL->hasParameter('identifier') && $this->URL->getParameter('identifier') == $this->item['identifier']) {
            $this->parseSuccessMessage();
        } else {
            // create/handle form
            $this->loadForm();
            $this->validateForm();
            $this->parse();
        }
    }