is is simply an alias for putting a value in the request map.
 </p>

 <div class="changed_added_2_0">

 <p>
 Jakarta Expression Language Usage Example
 </p>

 <blockquote>

 <pre>
 <code>
    &lt;html xmlns="http://www.w3.org/1999/xhtml"
          xmlns:c="http://xmlns.jcp.org/jsp/jstl/core"&gt;
    &lt;!-- extra code removed --&gt;
      &lt;c:set target="#{flash.now}" property="bar" value="barValue" /&gt;

      &lt;p&gt;Value of \#{flash.now.bar}, should be barValue.&lt;/p&gt;

      &lt;h:outputText val