ir_cron.xml

<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <data>
        <record id="send_invoicing_reminder_to_admin" model="ir.cron">
            <field name="name">Send Invoicing Reminder to Admin User</field>
            <field name="model_id" ref="energy_selfconsumption.selfconsumption" />
            <field
        name="code"
      >energy_selfconsumption.selfconsumption.send_invoicing_reminder()</field>
            <field name="user_id" ref="base.user_root" />
            <field name='interval_number'>1</field>
            <field name='interval_type'>days</field>
            <field name="numbercall">-1</field>
            <field name="doall" eval="False" />
        </record>
    </data>
</odoo>