*/ class Customer extends \Magento\Backend\Block\Widget\Grid\Column\Renderer\AbstractRenderer { /** * Renders grid column * * @param \Magento\Framework\DataObject $row * @return \Magento\Framework\Phrase|string */ public function render(\Magento\Framework\DataObject $row) { $id = $row->getCustomerId(); if (!$id) { return __('Show Reviews'); } return sprintf( '%s', $this->getUrl('review/product/', ['customerId' => $id]), __('Show Reviews') ); } }