public static ComposeExtensionResponse HandleMessageExtensionQuery(ConnectorClient connector, Activity activity)
        {
            var query = activity.GetComposeExtensionQueryData();

            if (query == null)
            {
                // We only process the 'getRandomText' queries with this message extension
                return(null);
            }
            if (query.CommandId == "News")
            {
                NewsModel news       = GetDataHelper.GetNews();
                var       title      = "";
                var       titleParam = query.Parameters?.FirstOrDefault(p => p.Name == "newsTitle");
                var       response   = new ComposeExtensionResponse(new ComposeExtensionResult("list", "result"));
                ComposeExtensionAttachment[] attachments = null;
                if (titleParam != null)
                {
                    title = titleParam.Value.ToString();
                    List <string> searchtitle    = news.news.Select(a => a.NewsTitle).Where(c => c.ToLower().Contains(title.ToLower())).Select(d => d).ToList();
                    List <string> searchImages   = news.news.Where(a => a.NewsTitle.ToLower().Contains(title.ToLower())).Select(c => c.NewsThumbnailUrl).ToList();
                    List <string> searchDateTime = news.news.Where(a => a.NewsTitle.ToLower().Contains(title.ToLower())).Select(c => c.NewsDateTIme).ToList();
                    List <string> searchdetail   = news.news.Where(a => a.NewsTitle.ToLower().Contains(title.ToLower())).Select(c => c.DetailedNews).ToList();
                    List <string> searchby       = news.news.Where(a => a.NewsTitle.ToLower().Contains(title.ToLower())).Select(c => c.NewsBy).ToList();
                    int           attacCount     = searchtitle.Count();
                    attachments = new ComposeExtensionAttachment[attacCount];
                    for (int i = 0; i < attacCount; i++)
                    {
                        attachments[i] = GetNewsAttachment(searchImages[i], searchtitle[i], searchby[i], searchdetail[i]);
                    }

                    response.ComposeExtension.Attachments = attachments.ToList();
                }
                else
                {
                    List <string> searchtitle    = news.news.Select(c => c.NewsTitle).Take(20).ToList();
                    List <string> searchImages   = news.news.Select(c => c.NewsThumbnailUrl).Take(20).ToList();
                    List <string> searchDateTime = news.news.Select(c => c.NewsDateTIme).Take(20).ToList();
                    List <string> searchdetail   = news.news.Select(c => c.DetailedNews).Take(20).ToList();
                    List <string> searchby       = news.news.Select(c => c.NewsBy).Take(20).ToList();
                    attachments = new ComposeExtensionAttachment[searchtitle.Count()];
                    for (int i = 0; i < searchtitle.Count(); i++)
                    {
                        attachments[i] = GetNewsAttachment(searchImages[i], searchtitle[i], searchby[i], searchdetail[i]);
                    }
                    response.ComposeExtension.Attachments = attachments.ToList();
                }
                return(response);
            }
            else if (query.CommandId == "Task")
            {
                SpfxPurchaseOrder task = GetDataHelper.GetPOs();
                var title      = "";
                var titleParam = query.Parameters?.FirstOrDefault(p => p.Name == "tasktitle");
                var response   = new ComposeExtensionResponse(new ComposeExtensionResult("list", "result"));
                ComposeExtensionAttachment[] attachments = null;
                if (titleParam != null)
                {
                    title = titleParam.Value.ToString();
                    //List<string> description = task.PurchaseOrder.Select(a => a.Description).Where(c => c.ToLower().Contains(title.ToLower())).Select(d => d).ToList();
                    //List<string> totamount = task.PurchaseOrder.Where(a => a.Description.ToLower().Contains(title.ToLower())).Select(c => c.TotalAmount).ToList();
                    List <string> description = task.value.Select(a => a.Description).Where(c => c.ToLower().Contains(title.ToLower())).Select(d => d).ToList();
                    List <string> totamount   = task.value.Where(a => a.Description.ToLower().Contains(title.ToLower())).Select(c => c.TotalAmount).ToList();

                    int attacCount = description.Count();
                    attachments = new ComposeExtensionAttachment[attacCount];
                    for (int i = 0; i < attacCount; i++)
                    {
                        attachments[i] = GetTaskAttachments(description[i], totamount[i]);
                    }

                    response.ComposeExtension.Attachments = attachments.ToList();
                }
                else
                {
                    List <string> description = task.value.Where(b => b.PoStatus == "pending").Select(c => c.Description).Take(20).ToList();
                    List <string> totamount   = task.value.Where(b => b.PoStatus == "pending").Select(c => c.TotalAmount).Take(20).ToList();
                    attachments = new ComposeExtensionAttachment[description.Count()];
                    for (int i = 0; i < description.Count(); i++)
                    {
                        attachments[i] = GetTaskAttachments(description[i], totamount[i]);
                    }
                    response.ComposeExtension.Attachments = attachments.ToList();
                }
                return(response);
            }
            else if (query.CommandId == "EventsAndTrainings")

            {
                EandTModel eventsTrainings = GetDataHelper.GetEandT();
                var        title           = "";
                var        titleParam      = query.Parameters?.FirstOrDefault(p => p.Name == "EventsAndTrainingstitle");
                var        response        = new ComposeExtensionResponse(new ComposeExtensionResult("list", "result"));
                ComposeExtensionAttachment[] attachments = null;

                if (titleParam != null)
                {
                    title = titleParam.Value.ToString();
                    List <string> searchTitle   = eventsTrainings.EventsAndtraining.Select(a => a.ETTitle).Where(c => c.ToLower().Contains(title.ToLower())).Select(d => d).ToList();
                    List <string> searchdetails = eventsTrainings.EventsAndtraining.Select(a => a.ETDetails).Where(c => c.ToLower().Contains(title.ToLower())).Select(d => d).ToList();
                    List <string> searchdate    = eventsTrainings.EventsAndtraining.Where(a => a.ETTitle.ToLower().Contains(title.ToLower())).Select(d => d.ETStartDate).ToList();
                    List <string> searchimage   = eventsTrainings.EventsAndtraining.Where(a => a.ETTitle.ToLower().Contains(title.ToLower())).Select(d => d.ETThumbnailUrl).ToList();
                    List <string> searchETType  = eventsTrainings.EventsAndtraining.Where(a => a.ETTitle.ToLower().Contains(title.ToLower())).Select(d => d.ETType).ToList();
                    List <string> searchETid    = eventsTrainings.EventsAndtraining.Where(a => a.ETTitle.ToLower().Contains(title.ToLower())).Select(d => d.ETID).ToList();
                    List <bool>   searchETar    = eventsTrainings.EventsAndtraining.Where(a => a.ETTitle.ToLower().Contains(title.ToLower())).Select(d => d.UserAdded).ToList();

                    int attacCount = searchTitle.Count();

                    attachments = new ComposeExtensionAttachment[attacCount];

                    for (int i = 0; i < attacCount; i++)
                    {
                        attachments[i] = GetEventsAttachment(searchimage[i], searchTitle[i] + ',' + searchETType[i], searchdate[i], searchdetails[i], searchETid[i], searchETar[i]);
                    }

                    response.ComposeExtension.Attachments = attachments.ToList();
                }
                else
                {
                    List <string> searchTitle   = eventsTrainings.EventsAndtraining.Select(c => c.ETTitle).ToList();
                    List <string> searchdetails = eventsTrainings.EventsAndtraining.Select(c => c.ETDetails).ToList();
                    List <string> searchdate    = eventsTrainings.EventsAndtraining.Select(c => c.ETStartDate).ToList();
                    List <string> searchimage   = eventsTrainings.EventsAndtraining.Select(c => c.ETThumbnailUrl).ToList();
                    List <string> searchETType  = eventsTrainings.EventsAndtraining.Select(c => c.ETType).ToList();
                    List <string> searchETid    = eventsTrainings.EventsAndtraining.Select(c => c.ETID).ToList();
                    List <bool>   searchETar    = eventsTrainings.EventsAndtraining.Select(c => c.UserAdded).ToList();
                    attachments = new ComposeExtensionAttachment[searchTitle.Count];
                    for (int i = 0; i < searchTitle.Count; i++)
                    {
                        attachments[i] = GetEventsAttachment(searchimage[i], searchTitle[i] + ',' + searchETType[i], searchdate[i], searchdetails[i], searchETid[i], searchETar[i]);
                    }

                    response.ComposeExtension.Attachments = attachments.ToList();
                }
                return(response);
            }
            else
            {
                return(null);
            }
        }