Controller/DynamicController.php
protected function loadForm(Request $request)
    {
        $formId = (int) $request->get('form');

        if (!$formId) {
            throw new BadRequestHttpException('"form" is required parameter');
        }

        return $this->get('sulu_form.repository.form')->loadById($formId);
    }
protected function loadForm(Request $request)
    {
        $formId = (int) $request->get('form');

        if (!$formId) {
            throw new BadRequestHttpException('"form" is required parameter');
        }

        return $this->get('sulu_form.repository.form')->loadById($formId);
    }
Get form.

@param Request $request

@return Form