Yuka=San

Hi @MCKRUZ. I want to review and accept PR.

@prabuw Thank you for the report. I add an extension method to ```IFunctionsHostBuilder```.

Hi @prabuw . Thank you issue. IFunctionHostBuilder is Azure Functions DI point. But it is not support AddExtension extension method. https://github.com/yuka1984/azure-functions-extensions-swashbuckle/blob/master/src/AzureFunctions.Extensions.Swashbuckle/AzureFunctions.Extensions.Swashbuckle/SwashBuckleStartupExtension.cs#L19 if ```IFunctionsHostBulder``` support AddExtension method, I can support it.

@nirnaybansal You need to 1 to 4 steps when functions enviroment is on azure. Unfortunately, Functions Extensions can not obtain Functions Key automatically. So you need to add Code Query...

@MCKRUZ I want to accept your suggestions and modified code.

ummmm. very difficult.

@LockTar An error occurred because the namespace of DefaultValidationMetadataProvider changed. I am trying to solve it by preparing my own DefaultValidationMetadataProvider. But, this method is not clean. Do you have...

@vvboxplosive @kjartanvalur I'm sorry. My fix was not valid. It seems difficult to create a library of the same version corresponding to Function v2 and v3. I am planning to...

Hi @liuxue2010 I want you to run Sample Code and provide environment information of the failed Functions. SampleCode worked fine in my environment.