oca-technical/odoo-bringout-oca-management-system-mgmtsystem_action_hazard/mgmtsystem_action_hazard/views/mgmtsystem_action.xml

<?xml version="1.0" encoding="utf-8" ?>
<!-- Copyright 2025 Dixmit
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
<odoo>

    <record model="ir.ui.view" id="view_mgmtsystem_action_form">
        <field name="name">mgmtsystem.action.form (in mgmtsystem_action_hazard)</field>
        <field name="model">mgmtsystem.action</field>
        <field name="inherit_id" ref="mgmtsystem_action.view_mgmtsystem_action_form" />
        <field name="arch" type="xml">
            <xpath expr="//page[@name='extra']" position="after">
                <page string="Hazards" name="hazards">
                    <field name="mgmtsystem_hazard_ids" />
                </page>
            </xpath>
        </field>
    </record>

</odoo>