Figure 1. Take the Indigo Service Help Page With a Grain of Salt Svcutil.exe is Indigo's replacement for Wsdl.exe. Executing the simple svcutil.exe command line shown here generates a tempuri.org.Bindings.cs class file and an output.config file that you rename to generatedProxy.cs and app.config, respectively. Add /l:vb and /out:generatedProxy.vb switches to specify a Visual Basic proxy partial class file with a simpler name.