New to P.Server 2003 - How can I return ExternalTask using PDS?

[Brett]

I want to exclude external tasks from the task list I get using:

Dim XmlDoc = New XmlDocument

query.Append("<Request>")
query.Append(" <ProjectData>")
query.Append(" <ProjectID>" + ProjectUID.ToString +
"</ProjectID>")
query.Append(" <ReturnUIDs>1</ReturnUIDs>")
query.Append(" </ProjectData>")
query.Append("</Request>")
XmlDoc.LoadXml(query.ToString)
res = ws.SoapXMLRequest(sCookie, XmlDoc.InnerXml)

The Tasks returned to var "res" have only a portion of the full list of Task
elements as described in:
http://msdn.microsoft.com/en-us/library/aa210615(office.11).aspx

The <ExternalTask> element is not one of the properties returned but I need
to filter out external tasks somehow.

Is anyone using PDS and Project Server 2003??

Any help would be greatly appreciated!!!!!!!!!!!