public async Task <string> PostMessages(string message)
        {
            var messagebody = new ChannelMessageBody
            {
                Content     = message,
                ContentType = BodyType.Html
            };
            var postmessage = new PostChannelMessage
            {
                Body = messagebody
            };
            PostMessageReturn retContent = await _data.PostChannelMessages(postmessage);

            return(retContent.Id);
        }