Test

HelloInterface

using System;
using System.IO;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.Serialization;
using ServiceStack;
using ServiceStack.DataAnnotations;
using Test.ServiceModel;

namespace Test.ServiceModel
{
    public partial class EmptyClass
    {
    }

    public partial class HelloInterface
    {
        public virtual IPoco Poco { get; set; }
        public virtual IEmptyInterface EmptyInterface { get; set; }
        public virtual EmptyClass EmptyClass { get; set; }
    }

    public partial interface IEmptyInterface
    {
    }

    public partial interface IPoco
    {
        string Name { get; set; }
    }

}

C# HelloInterface DTOs

To override the Content-type in your clients, use the HTTP Accept Header, append the .csv suffix or ?format=csv

HTTP + CSV

The following are sample HTTP requests and responses. The placeholders shown need to be replaced with actual values.

POST /csv/oneway/HelloInterface HTTP/1.1 
Host: test.servicestack.net 
Accept: text/csv
Content-Type: text/csv
Content-Length: length

{"emptyClass":{}}