Generate XSD from my model

I am writing a WCF REST service, and I am needing to generate my XSD's which provide the information for my models.

What is the easiest 开发者_StackOverflowway of doing this?

It would be nice to have it generate the validation within the XSD too, if possible?

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C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin\xsd.exe