Newbie question: the WSDL element

As a newcomer to Axis, from what I've read thus far, it looks like the Java2WSDL and WSDL2Java tools that derive from org.apache.axis.wsdl are really going to come in handy for in/out for WSDL / Java transcoding. One of the things I'd like to do is add the element to a description in my WSDL

Axis MessageContext to the WebService

How do I pass the Axis MessageContext from the Pivot Handler to the WebService. My Webservice has to get access to a backend service which need the UserID from MessageContext. /Jakob