<portlet>
    <portlet-name>scheduled-actions</portlet-name>
    <scheduler-entry>
        <scheduler-event-listener-class>com.example.Example</scheduler-event-listener-class>
        <trigger>
            <cron>
                <cron-trigger-value>0/15 * * * * ?</cron-trigger-value>
            </cron>
        </trigger>
    </scheduler-entry>
    <system>true</system>
</portlet>