oca-technical/odoo-bringout-oca-pos-pos_timeout/pos_timeout/views/res_config_settings.xml

<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <record model="ir.ui.view" id="res_config_settings_view_form">
        <field name="model">res.config.settings</field>
        <field name="priority" eval="95" />
        <field name="inherit_id" ref="point_of_sale.res_config_settings_view_form" />
        <field name="arch" type="xml">
            <xpath expr="//div[@id='pos_interface_section']" position="inside">
                <div class="col-12 col-lg-6 o_setting_box">
                    <div class="o_setting_left_pane">
                    </div>
                    <div class="o_setting_right_pane">
                        <label for="pos_order_timeout" />
                        <div class="text-muted">
                            client-side timeout for the creation of PoS Order(s) from the POS UI
                        </div>
                        <div class="content-group mt16">
                            <field name="pos_order_timeout" />
                        </div>
                    </div>
                </div>
            </xpath>
        </field>
    </record>
</odoo>