Hi,

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1- Any good debug tool for looking what's inside the SOAP headers and messages?
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The trace utility (MSSOAPT) which is part of the MS Soap Toolkit works pretty well.

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2 - If I create more and more functions & parameters ... These definitions and parameter will be in the SOAP header or message?
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Not sure what you're asking here. In VFP methods and properties exposed via web services will be as defined by the underlying COM object.

HTH,
Viv