              <td>All options in this object are explained in the <a href="./nodes.html">nodes module</a>.
                </td>
            </tr>
            <tr><td id="event_groups">groups</td>
                <td>Object</td>
                <td>Object</td>
                <td>All options in this object are explained in the <a href="./groups.html">groups module</a>.
                </td>
            </tr>
            <tr><td id="event_layout">layout</td>
                <td>Object</td>
                <t