add field renderer conditions

$fieldset = $form->addFieldset(
            'conditions_fieldset',
            [
                'comment' => __(
                    'Please specify products where the block should be displayed. '
                    . 'Leave blank to display the block on all product pages.'
                )
            ]
        )->setRenderer(
            $this->rendererFieldsetFactory->create()
                ->setTemplate('Magento_CatalogRule::promo/fieldset.phtml')
                ->setNewChildUrl(
                    $this->getUrl(
                        '*/*/newConditionHtml',
                        [
                            'form'   => $form->getHtmlIdPrefix() . 'conditions_fieldset',
                            'prefix' => 'rbslider',
                            'rule'   => base64_encode(Product::class),
                            'form_namespace' => self::FORM_NAME
                        ]
                    )
                )
        );