enterprise-addons/sale_timesheet_enterprise/data/account_analytic_line_demo.xml

<odoo>
    <data noupdate="1">
        <!-- Validate timesheets if older than 10 days -->
        <function model="account.analytic.line" name="write">
            <value model="account.analytic.line" eval="obj().search([('date', '&lt;', (DateTime.now() + relativedelta(days=-10)).date()), ('validated', '=', False)]).ids"/>
            <value eval="{'validated': True}" />
        </function>
    </data>
</odoo>