reporting-engine/report_qweb_pdf_watermark/demo/report.xml

<?xml version="1.0" encoding="UTF-8" ?>
<odoo>
    <data>
        <record id="demo_reports" model="ir.actions.report">
            <field name="name">Demo report</field>
            <field name="model">res.users</field>
            <field name="report_type">qweb-pdf</field>
            <field name="report_name">report_qweb_pdf_watermark.demo_report_view</field>
            <field name="report_file">report_qweb_pdf_watermark.demo_report_view</field>
            <field name="paperformat_id" ref="base.paperformat_euro" />
            <field name="binding_model_id" ref="base.model_res_users" />
            <field name="binding_type">report</field>
        </record>
        <record id="demo_report" model="ir.actions.report">
            <field name="name">Demo report</field>
            <field name="model">res.users</field>
            <field name="report_name">report_qweb_pdf_watermark.demo_report_view</field>
            <field name="pdf_watermark_expression">docs[:1].company_id.logo</field>
        </record>
        <template id="demo_report_view">
            <t t-call="web.html_container">
                <t t-call="web.external_layout">
                    <div class="page">
                        <ul>
                            <li t-foreach="docs" t-as="doc">
                                <t t-esc="doc.name" />
                            </li>
                        </ul>
                    </div>
                </t>
            </t>
        </template>
    </data>
</odoo>