$result = $qd->{$data};

##</code><code>##

action.pl?action=test&a=b&b=c&c=42

##</code><code>##


listing of /actions/test/body.aXML 
----------------------------------

<qd><qd><qd>a</qd></qd></qd>


##</code><code>##

0: <qd><qd><qd>a</qd></qd></qd>

##</code><code>##

1: <qd><qd>b</qd></qd>

##</code><code>##

2 : <qd>c</qd>

##</code><code>##

  <qd><qd><qd>a</qd></qd></qd>

##</code><code>##

 
listing of "/plugins/sayhello.aXMLpi"
-------------------------------------
  
 $result = "hello $data monks";
 

##</code><code>##

<sayhello>perl</sayhello>

##</code><code>##

  <sayhello>java</sayhello>

##</code><code>##

if our query data contains a key value pair 'who' => 'PERL'
and we include into the document;

  <sayhello><qd>who</qd></sayhello>