UrlAlias.cs

    [AttributeUsage(AttributeTargets.Method)]
    public class UrlAliasAttribute : Attribute
    {
        private readonly string _url;

        public UrlAliasAttribute(string url)
        {
            _url = url;
        }
        public string Url
        {
            get { return _url; }
        }
    }

    public class UrlAliasConvention : IConfigurationAction
    {
        public void Configure(BehaviorGraph graph)
        {
            graph.Actions()
                .Where(x => x.Method.HasAttribute<UrlAliasAttribute>())
                .Where(x => x.HasInput).ToList()
                .Each(x =>
                {
                    var url = x.Method.GetAttribute<UrlAliasAttribute>().Url;
                    var chain = new BehaviorChain();
                    var handlerType = typeof (UrlAliasHandler<>).MakeGenericType(x.InputType());
                    var handlerMethod = handlerType.GetMethod("Execute");
                    var call = new ActionCall(handlerType, handlerMethod);
                    call.AddAfter(new ContinuationNode());
                    chain.AddToEnd(call);
                    chain.Route = call.BuildRouteForPattern(url);
                    graph.AddChain(chain);
                });
        }
    }

    public class UrlAliasHandler<T> where T : class, new()
    {
        public FubuContinuation Execute()
        {
            return FubuContinuation.TransferTo<T>();
        }
    }