I need to retrieve my custom column information from "sales_order_item
" table. I'm having challenge to get the order id. How to get order id in order view page in admin panel?
I need $orderId in below code?
public function getOrderItemAgreementDeccription()
{
$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$_order = $objectManager->get('Magento\Sales\Model\Order\Item')->load($orderId);
$getAgreementDeccription = $_order->getAgreementDeccription();
}