Magento2 programmatically add custom data to checkout and show on order. Step 1. Register your module Vendor_Module:etc/module.xml <?xml version="1.0"?> <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd"> <module name="Vendor_Module" setup_version="1.3.1"> </module> </config> registration.php <?php //…

we will create a custom tab with custom table allow serialization grid and custom column get/post value like selected product, qty in grid. Options 1 Options 2 Options 1 1.…