path: root/addons/account_edi_proxy_client/data/config_demo.xml

<?xml version="1.0" ?>
<odoo>

    <record id="account_edi_proxy_client_demo" model="ir.config_parameter">
        <field name="key">account_edi_proxy_client.demo</field>
        <field name="value">True</field>
    </record>

</odoo>