<folders>
    
    <folder id="explorer">
        <folder id="xxx" caption="My Custom Folder">
            <folder id="yyy" caption="My Sub Folder"/>
        </folder>
    </folder>
    
    <folder id="menu">
        
    </folder>
    
    <folder id="home">
        <folder id="xxx" caption="My Custom Folder">
            <folder id="yyy" caption="My Sub Folder"/>
        </folder>
    </folder>
    
</folders>