<grid>
    <zscript>Object[] o = new Object[20];</zscript>
    <columns>
        <column forEach="${o}" width="100px">Column</column>
    </columns>
    <rows>
        <row>
            <label forEach="${o}">Label</label>
        </row>
    </rows>
    <foot>
        <footer forEach="${o}">Footer</footer>
    </foot>
</grid>