dataFactory = $dataFactory; $this->messageManager = $messageManager; parent::__construct($context, $registry, $data); } /** * Get helper data * * @param string $area * @return \Magento\Authorizenet\Helper\Backend\Data|\Magento\Authorizenet\Helper\Data */ public function getHelper($area) { return $this->dataFactory->create($area); } /** * {inheritdoc} */ protected function _beforeToHtml() { $this->addSuccessMessage(); return parent::_beforeToHtml(); } /** * Add success message * * @return void */ private function addSuccessMessage() { $params = $this->getParams(); if (isset($params['redirect_parent'])) { $this->messageManager->addSuccess(__('You created the order.')); } } }