return Task.CompletedTask;
    }
    public virtual async Task MessageReceivedAsync(IDialogContext context, IAwaitable<IMessageActivity> result)
    {
        var reply = context.MakeMessage();

        reply.AttachmentLayout = AttachmentLayoutTypes.Carousel;
        reply.Attachments = GetCardsAttachments();

        await context.PostAsync(reply);

        context.Wait(this.MessageReceivedAsync);
    }

    private static IList<Attachment> GetCardsAttachments()
    {
        return new List<Attachment>()
        {
            GetHeroCard(
                "Add a webpage",
                "",
                "",
                new CardImage(url: "https://cdn.dribbble.com/users/22691/screenshots/1958250/attachments/340010/Button_800x600.gif?sz=328"),
                new CardAction(ActionTypes.ImBack, "Add a webpage", value: "Add a webpage")),
            GetHeroCard(
                "delete a webpage",
                "",
                "",
                new CardImage(url: "https://cdn.dribbble.com/users/22691/screenshots/1958250/attachments/340010/Button_800x600.gif?sz=328"),
                new CardAction(ActionTypes.ImBack, "delete a webpage", value: "delete a webpage")),
            GetHeroCard(
                "Display help",
                "",
                "",
                new CardImage(url: "https://cdn.dribbble.com/users/22691/screenshots/1958250/attachments/340010/Button_800x600.gif?sz=328"),
                new CardAction(ActionTypes.ImBack, "Display help", value: "Display help")),
            GetHeroCard(
                "etc",
                "",
                "",
                new CardImage(url: "https://cdn.dribbble.com/users/22691/screenshots/1958250/attachments/340010/Button_800x600.gif?sz=328"),
                new CardAction(ActionTypes.ImBack, "etc", value: "etc")),

        };
    }

    private static Attachment GetHeroCard(string title, string subtitle, string text, CardImage cardImage, CardAction cardAction)
    {
        var heroCard = new HeroCard
        {
            Title = title,
            Subtitle = subtitle,
            Text = text,
            Images = new List<CardImage>() { cardImage },
            Buttons = new List<CardAction>() { cardAction },
        };

        return heroCard.ToAttachment();
    }