"detailHeaderTag">
property
</span>
</div>

<div class="signature">
public boolean <b>$unique</b>;</div>

<p>set to allow only one branch on one level to be open (closing siblings which opening).
Defaults to false.</p>


<div class="detailHeader" id="url-detail">
url<span class="detailHeaderTag">
property
</span>
</div>

<div class="signature">
public string|array <b>$url</b>;</div>

<p>the URL to which the treeview can be dynamically loaded (in AJAX).
See <a href="/doc/api/1.0/CHtml#normalizeUrl">CHtml::no