I need to module that is able to attachment a serial number to each product sold in Magento 2

  • Can you provide a little more info? Are you saving the serial number to each product and then needing that info to pass to the order for each product?
    – AJK
    Feb 1, 2019 at 14:39
  • Yes I want to add serial number when we place order
    – Gagan
    Feb 2, 2019 at 7:34
  • added how to get a product attribute from the order, not sure if you meant that you need to set the product attribute value, but that should get you going.
    – AJK
    Feb 2, 2019 at 15:16

1 Answer 1


This will show you how to get product info from the order using a Module / Observer:

First create your module in app/code/Vendor/Module


<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/Module/etc/module.xsd">
    <module name="Vendor_Module" setup_version="1.0.0"></module>



Next create an event to fire after every order:


<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
    <event name="checkout_submit_all_after">
        <observer name="vendor_module_get_product_info" instance="Vendor\Module\Observer\GetProductInfo"/>

And lastly, create your observer that will grab your product info after every order:


namespace Vendor\Module\Observer;

use Magento\Framework\Event\ObserverInterface;

class GetProductInfo implements ObserverInterface
  public function execute(\Magento\Framework\Event\Observer $observer)
    $order = $observer->getEvent()->getOrder();

    try {
      foreach ($order->getAllItems() as $item) {
        // your product logic
    } catch (\Exception $e) {
      // Handle your errors

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