Stuff

        <menubar>
            <default>
                <menu n="10">
                    <label>Camel</label>
                    <enabled type="bool">true</enabled>
                    <item>
                        <label>Toggle extra details</label>
                        <binding>
                            <command>property-toggle</command>
                            <property>sim/model/camel/extra-details</property>
                        </binding>
                    </item>
                </menu>
            </default>
        </menubar>