s://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>&nbsp;getOnevent()</pre>
<div class="block"><p class="changed_added_2_0">
 Return the <code>String</code> of JavaScript function name that will be used to identify the client callback function
 that should be run on the occurance of a client-side event.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the JavaScript function 