RF Screen - Pass value through Forward Page

String forwardPage = entitybase+"/"+"frmProductDiversions.jsp";

Map extraParamsMap = new HashMap();
extraParamsMap.put("xml:/ActivityDemands/ActivityDemand/@CaseId", caseId);
forwardPage = checkExtension(forwardPage);
forwardPage += encodeParams(extraParamsMap, forwardPage);

<jsp:forward page='<%=forwardPage%>'>
   <jsp:param name="xml:/Receipt/@BarCodeData" value='<%=getParameter("xml:/Receipt/@CaseId")%>' />
</jsp:forward>