How to generate an OpenAPI 2.0 file with NSwag?

user_1230189 0
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I'm using NSwag and trying to convert an OpenAPI JSON document to version 2. This is my configuration:

public void ConfigureServices(IServiceCollection services)
{
            services.AddControllers();

            services.AddOpenApiDocument(config =>
            {
                config.PostProcess = doc =>
                {
                    doc.SchemaType = NJsonSchema.SchemaType.Swagger2;
                }
            }
}

However, when I paste the generated OpenAPI file into Swagger Editor, it shows errors:

enter image description here

How to configure NSwag to generate a proper OpenAPI 2.0 file?

nswag swagger openapi
1 Answers
user_1131160
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