server-tools/base_custom_info/wizard/res_config_settings_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2016 Jairo Llopis <jairo.llopis@tecnativa.com>
     License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl). -->
<odoo>

<record id="res_config_settings_view_form" model="ir.ui.view">
    <field name="name">Allow to enable custom information</field>
    <field name="model">res.config.settings</field>
    <field name="inherit_id" ref="base_setup.res_config_settings_view_form"/>
    <field name="arch" type="xml">
        <xpath expr="//div[hasclass('app_settings_block')][@data-key='general_settings']" position="inside">
            <h2>Custom Information</h2>
            <div class="row mt16 o_settings_container" name="base_information">
                <div class="col-12 col-lg-6 o_setting_box">
                    <div class="o_setting_left_pane">
                        <field name="group_custom_info_partner" />
                    </div>
                    <div class="o_setting_right_pane">
                        <label for="group_custom_info_partner"/>
                        <div class="text-muted">
                            Allow all employees to manage custom information
                        </div>
                    </div>
                </div>
                <div class="col-12 col-lg-6 o_setting_box">
                    <div class="o_setting_left_pane">
                        <field name="group_custom_info_manager" />
                    </div>
                    <div class="o_setting_right_pane">
                        <label for="group_custom_info_manager"/>
                        <div class="text-muted">
                            Add a tab in the partners form to edit custom information
                        </div>
                    </div>
                </div>
            </div>
        </xpath>
    </field>
</record>

</odoo>