How to set up WCF Tracing

<system.diagnostics>
<trace autoflush="true" />
<sources>
<source name="System.ServiceModel"
switchValue="Information, ActivityTracing"
propagateActivity="true">
<listeners>
<add name="sdt"
type="System.Diagnostics.XmlWriterTraceListener"
initializeData= "SdrConfigExample2.e2e" />
</listeners>
</source>
</sources>
</system.diagnostics>

View is here C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin\SvcTraceViewer.exe