vracoop_payzen/views/payzen_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <data>

        <record id="vracoop_res_config_settings" model="ir.ui.view">
            <field name="name">vracoop.res.config.settings</field>
            <field name="model">res.config.settings</field>
            <field name="arch" type="xml">
                <form string="Configuration des Temps">
                    <sheet>
                        <header>
                            <button string="Save" type="object" name="execute_payzen" class="oe_highlight" />
                            <button string="Discard" type="object" name="cancel" special="cancel" />
                        </header>
                        <group>
                            <group string="Accès à la plateforme">
                                <field name="payzen_site_id" autocomplete="off" />
                                <field name="payzen_key_test" autocomplete="off" />
                                <field name="payzen_key_prod" autocomplete="off" />
                            </group>
                        </group>
                    </sheet>
                </form>
            </field>
        </record>

        <record id="action_payzen_view" model="ir.actions.act_window" >
            <field name="name">Payzen</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">res.config.settings</field>
            <field name="view_mode">form</field>
            <field name="target">inline</field>
        </record>

        <menuitem id="menu_conf_delivery"
            name="Paiement"
            sequence="60"
            parent="website.menu_website_configuration"
            groups="website.group_website_designer"/>

        <menuitem id="menu_payzen" parent="menu_conf_delivery" name="Payzen" action="action_payzen_view" sequence="10"/>

    </data>
</odoo>