ASP.NET MVC 4 - ActionResult

  public class MyActionResult : ActionResult
    {
        public override void ExecuteResult(ControllerContext context)
        {
            context.HttpContext.Response.Write("It is MyActionResult");
        }
    }
    public class HomeController : Controller
    {
        //
        // GET: /Home/

        public ActionResult Index(string data)
        {
            return new MyActionResult();
        }
     
    }

as you can see