title: is it possible to send value from <a4j:support> to bean
body: <pre><code>&lt;rich:tree switchType="client" value="#{Bean.tree}" var="one"&gt;
                                  &lt;rich:treeNode&gt;
  
                                      &lt;h:commandLink value="#{one.item1}"
                                          action="#{Bean.getItem()}"
                                          style="color:blue;text-decoration:none;"
                                          title="Click here to view details"&gt;
                                          &lt;f:param name="ids" value="#{one.id}"&gt;          
                                          &lt;/f:param&gt;
                                      &lt;/h:commandLink&gt;
  
  
                                      &lt;a4j:support event="onclick" reRender="productInformation"
  
                                                                          action="#{Bean.getItem()}"/&gt;
                                 &lt;/rich:treeNode&gt;
  &lt;/rich:tree&gt;
  
  &lt;rich:panel id="productInformation"&gt;
  
  &lt;/rich:panel&gt;
  </code></pre>
  
  <p>hi I have a page in that tree structure will be present if i click on the link the corresponding action should be performed but by using h:commandlink the whole page will be refreshed.So Iam going for  I have a problem here in h:commandlink i was able to transfer the parameter to bean by using f:param but by using  how can I acess the value to bean please help me out iam new to jsf.</p>