public async Task <GenericDocumentResponse <CallBackFailuerDocument> > Handle(CallBackSystemFailuerMessagesQuery request, CancellationToken cancellationToken) { (IEnumerable <CallBackFailuerDocument> doc, long total) = await _CallBackFailureRepository.GetAllFaulierDocumentBySystemCode(request.From, request.SystemCode); return(new GenericDocumentResponse <CallBackFailuerDocument>() { Document = doc, Total = total }); }