reporting-engine/report_xml/demo/demo_report.xml

<?xml version="1.0" encoding="UTF-8" ?>
<odoo>
    <template id="demo_report_xml_view">
        <root>
            <user t-foreach="docs" t-as="doc">
                <id t-esc="doc.id" />
                <name t-esc="doc.name" />
                <vat t-esc="doc.vat" />
            </user>
        </root>
    </template>
</odoo>