a 
<a href="../../javax/el/FunctionMapper.html" title="class in javax.el"><code>FunctionMapper</code></a> object must also be specified within 
the <code>ELContext</code>. 

The <code>FunctionMapper</code> is responsible to map
 <code>${prefix:name()}</code> style functions to 
static methods that can execute the specified functions. 
</p>

<h3><a name="Variables">Jakarta Expression Language Variables</a></h3>

<p>Just like <a href="../../javax/el/FunctionMapper.html" title="class in javax.el"><code>Functio