enterprise-addons/timesheet_grid/data/account_analytic_line_demo.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <data noupdate="1">
        <!-- Validate timesheets if older than 10 days -->
        <function model="account.analytic.line" name="action_validate_timesheet">
            <value model="account.analytic.line" eval="obj().search([('date', '&lt;', (DateTime.now() + relativedelta(days=-10)).date()), ('validated', '=', False)]).ids"/>
        </function>
    </data>
</odoo>