Welcom to learn Axelor real time example...
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<object-views xmlns="http://axelor.com/xml/ns/object-views"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://axelor.com/xml/ns/object-views
https://axelor.com/xml/ns/object-views/object-views_7.2.xsd">
<!-- views definitions here -->
</object-views>