public Message ToSlackMessage(WorkItemChangedNotification notification, BotElement bot, string channel)
        {
            string header = notification.ToMessage(bot, s => s).First();
            var fields = new[] {
                new AttachmentField(bot.Text.State, notification.State, true),
                new AttachmentField(bot.Text.AssignedTo, notification.AssignedTo, true)
            };

            return SlackHelper.CreateSlackMessage(header, fields, bot, channel, bot.GetSetting("standardColor"));
        }
        public Message ToSlackMessage(WorkItemChangedNotification notification, BotElement bot, string channel)
        {
            string header = notification.ToMessage(bot, s => s).First();

            var fields = new List<AttachmentField>();

            var searchType = notification.IsNew ? SearchFieldsType.Core : SearchFieldsType.Changed;
            var displayFieldsKey = notification.IsNew ? "wiCreatedDisplayFields" : "wiChangedDisplayFields";

            foreach (var fieldId in bot.GetCsvSetting(displayFieldsKey, Defaults.WorkItemFields))
            {
                var field = notification.GetUnifiedField(fieldId, searchType);
                if (field != null)
                {
                    var fieldrep = notification.IsNew ? field.NewValue : bot.Text.WorkItemFieldTransitionFormat.FormatWith(field);
                    fields.Add(new AttachmentField(field.Name, fieldrep, true));
                }
            }

            return SlackHelper.CreateSlackMessage(header, fields, bot, channel, bot.GetSetting("standardColor"));
        }