cooperative-market/macavrac_base/data/mail_template.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <!-- Mail template are declared in a NOUPDATE block
         so users can freely customize/delete them -->
    <data noupdate="1">
        <record id="email_template_shift_subscribed" model="mail.template">
            <field name="name">Shift Subscribed</field>
            <field name="model_id" ref="model_beesdoo_shift_shift"/>
        </record>
        
        <record id="email_template_shift_unsubscribed" model="mail.template">
            <field name="name">Shift Unsubscribed</field>
            <field name="model_id" ref="model_beesdoo_shift_shift"/>
        </record>
    </data>
</odoo>