In this blog, I created customer attribute programmatically in magento 2. Code is supported to php8 and magento 2.4.6  😍Let’s see, how to create customer attribute programmatically. We are creating customer attribute name external_id.First, Create data patch class like AddExternalIdCustomerAttribute.php file at path app/code/Vendor/Module/Setup/Patch/Data/AddExternalIdCustomerAttribute.php After create patch run magento setup upgrade command to create customer attribute.php bin/magento setup:upgradeWe can see newly created customer attribute in customer edit/add. I hope this blog is useful for create customer…