reporting-engine/report_xml/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">
                <name t-esc="doc.name"/>
                <vat t-esc="doc.vat"/>
            </user>
        </root>
    </template>

    <report id="demo_xml_report"
            name="report_xml.demo_report_xml_view"
            string="Demo xml report"
            report_type="qweb-xml"
            print_report_name="'Demo xml report'"
            file="report_xml.xml"
            model="res.company"/>
</odoo>