reporting-engine/report_async/views/ir_actions_report.xml

<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <record id="async_act_report_xml_view" model="ir.ui.view">
        <field name="name">async_report_view</field>
        <field name="model">ir.actions.report</field>
        <field name="inherit_id" ref="base.act_report_xml_view" />
        <field name="arch" type="xml">
            <xpath expr="//page[@name='advanced']/group" position="after">
                <group name="async_opts" string="Async Options">
                    <field name="async_report" />
                    <field name="async_no_records" />
                    <field name="async_mail_recipient" />
                </group>
            </xpath>
        </field>
    </record>
</odoo>