on
 of one <a href="../../model/SelectItemGroup.html" title="class in jakarta.faces.model"><code>SelectItemGroup</code></a> of one or more <a href="../../model/SelectItem.html" title="class in jakarta.faces.model"><code>SelectItem</code></a> instances to the list of available options in the parent component.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../UISelectItemGroups.html" title