 the addition
 of one or more <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>
</div>
<div class="col-first even-row-color"><code>class&nbsp;</code></div>
<div class="col-second even-row-color"><code><a href="../UISelectItems.html" class="type-name-link" t