reporting-engine/report_xml/demo/report.xml

<?xml version="1.0" encoding="UTF-8"?>
<odoo>

    <template id="demo_report_xml_view">
        <t t-call="report_xml.utf8_header">
            <root>
                <user t-foreach="docs" t-as="doc">
                    <name t-esc="doc.name"/>
                    <vat t-esc="doc.vat"/>
                </user>
            </root>
        </t>
    </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>