partner-contact/partner_capital/views/res_partner_turnover_range_view.xml

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

<odoo>

<record id="res_partner_turnover_range_action" model="ir.actions.act_window">
    <field name="name">Turnover ranges</field>
    <field name="res_model">res.partner.turnover_range</field>
    <field name="view_type">form</field>
    <field name="view_mode">tree</field>
</record>

<record id="res_partner_turnover_range_tree_view" model="ir.ui.view">
    <field name="name">CRM Turnover range tree</field>
    <field name="model">res.partner.turnover_range</field>
    <field name="arch" type="xml">
        <tree string="Turnover ranges" editable="top">
            <field name="name"/>
        </tree>
    </field>
</record>

<menuitem id="menu_res_partner_turnover_range"
          action="res_partner_turnover_range_action"
          parent="contacts.res_partner_menu_config"/>

</odoo>