如何在XPages中使用XML POST ?

I am sending XML data as content type text/xml via a POST to an XPage, but I am unable to locate the data from within the XPage. param.ToString() just returns "{}". param will return parameters in the URL, however. This is the sever-side javascript in the afterRenderResponse event for the Xpage (rendered="false"):I am sending XML data as content type text/xml