UmbracoApiController custom routes

MyNewController.cs

using System.Web.Http;

[RoutePrefix("api/store")]
public class StoreController : Umbraco.Web.WebApi.UmbracoApiController
{
    [HttpGet]
    [Route("")]
    public List<StoreModel> GetAll()
    {
        return StoreManager.GetAll();
    }
}

UmbracoApplicationEventHandler.cs

public class UmbracoApplicationEventHandler : IApplicationEventHandler
{
    public void OnApplicationInitialized(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
    {

    }

    public void OnApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
    {
        WebApiConfig.Register(GlobalConfiguration.Configuration);
    }

    public void OnApplicationStarting(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
    {

    }
}

WebApiConfig.cs

public static class WebApiConfig
{
    public static void Register(HttpConfiguration config)
    {
        config.MapHttpAttributeRoutes();
    }
}