pms/pms/data/cron_jobs.xml

<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <data noupdate="0">
        <!-- Scheduler For To Inform Guest About Reservation Before 24 Hours -->
        <record model="ir.cron" id="autocheckout_reservations">
            <field name="name">Automatic Checkout on past reservations</field>
            <field name="interval_number">1</field>
            <field name="user_id" ref="base.user_root" />
            <field name="interval_type">days</field>
            <field name="numbercall">-1</field>
            <field name="doall" eval="False" />
            <field name="state">code</field>
            <field name="model_id" ref="model_pms_reservation" />
            <field
                name="nextcall"
                eval="(DateTime.now() + timedelta(days=1)).strftime('%Y-%m-%d 05:00:00')"
            />
            <field name="code">model.autocheckout()</field>
        </record>
    </data>
</odoo>