you can try this way..!
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
All the columns in customer_entity table should an eav attribute of customer. So for adding any new column in customer_entity table, We must create an eav of the same name with the
backend_type = static
In the below example, in one of the task I need to print pdf on a custom way,
that’s why I need the billing address country and the shipping address country but, from sales order data I get it on as country id like “SE” (for Sweden)
in the method, you can value in two way on method getCountryName(), in English or in local.