[CSharp] custom property attribute

Please help me with a question about source code generation.

Description

I have custom attribute implemented in my source code, like LostAttribute. I'd like to add this custom attribute on the object property using the swagger generator. Is it possible?
May be using the specificationExtensions. Is there a way to achieve this for codegen ?

For example, using something like x-attribute (whatever) to ask codegen to mark ErrorDetails.Message property with Lost attribute

Swagger declaration file content or url

I'd like to get from the definition like below

  ErrorDetails:
    type: object
      Message:
        type: string
        x-attribute: Lost

result to be like

public class ErrorDetails
{
    [Lost]
    public string Message { get; set; }
}

Is there any possibility to get it? Like with codegen addon whatever?

The issue names no source file, test, or generator entry point. Start by tracing the C# generator's property-template path and how specification extensions are exposed, then determine whether a property-level custom attribute can be represented; done would be a tested, documented mapping from x-attribute to [Lost], or a clear explanation that it is unsupported.