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

    <record id="action_hospital_kids" model="ir.actions.act_window">
        <field name="name">Kids</field>
        <field name="type">ir.actions.act_window</field>
        <field name="res_model">hospital.patient</field>
        <field name="view_mode">tree,kanban,form</field>
        <field name="context">{}</field>
        <field name="domain">[('age', '&lt;=', 18)]</field>
        <field name="help" type="html">
            <p class="o_view_nocontent_smiling_face">
                Create your first kids!
            </p>
        </field>
    </record>

    <menuitem id="menu_kids"
              name="Kids"
              parent="menu_patient_root"
              action="action_hospital_kids"
              sequence="20"/>

</odoo>