public string UpdateAppointmentInCrm(Outlook outlookId) { Trace.TraceInformation("UpdateAppointmentInCrm"); if (!InitializeHelpers()) { return("Initialize helpers fail"); } List <AttendeesResponse> responses = exchangeHelper.GetResponseStatus(outlookId.outlookId); var appointmentEntity = exchangeHelper.GetAppointmentFromOutlook(outlookId.outlookId); appointmentEntity.CrmId = crmHelper.GetCrmIdByOutlookId(appointmentEntity); crmHelper.UpdateResponsesInCrm(appointmentEntity, responses); return("UpdateAppointmentInCrm success"); }