vracoop_api_v2/views/res_config_setting_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <record id="res_config_settings_view_form" model="ir.ui.view">
        <field name="name">res.config.settings.view.form.inherit.vracoop</field>
        <field name="model">res.config.settings</field>
        <field name="priority" eval="100"/>
        <field name="inherit_id" ref="base.res_config_settings_view_form" />
        <field name="arch" type="xml">
            <xpath expr="//div[@class='app_settings_block']" position="inside">
                <h2>Balance</h2>
                <div class="row mt16 o_settings_container">
                    <div class="col-12 col-lg-6 o_setting_box" title="This tax is applied to any new product created in the catalog.">
                        <div class="o_setting_right_pane">
                            <div>
                                <label string="URL Mayam" for="url_mayam"/>
                                <div class="text-muted">
                                    URL Mayam pour l'envoi des transactions
                                </div>
                                <div class="content-group mt16">
                                    <field name="url_mayam" colspan="4" nolabel="1" />
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </xpath>
        </field>
    </record>

</odoo>