I'm trying to invoke a web service from within the Service Integration Bus v
ia a mediation and need to construct a DataGraph representing the service en
dpoint.  I've successfully retrieved a new DataGraph via the SIDataGraphFact
ory and a new SIMessage wit
h my required format, now I have a few questions as it relates to constructi
ng the rest of the soap object.

1)Do I need to create a new DataObject representing the "body" element and a
dd it to the DataGraph?  I get one from the new SIMessage but it's null.
2)I've tried creating a new body DataObject, but then how do I add my soap b
ody element?  I've tried using the body.createDataObject("parameters") where
 name is from my wsdl document but that keeps failing with an error message 
saying "BodyType does not c
ontain a property parameters".

There is documentation on deserializing objects on InfoCenter but nothing on
 serializing
http://publib.boulder.ibm.com/infoc...ef/rjy1111.html

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