public HelpNotification(TableUser sentBy, HelpNotificationStatus status, string subjectId)
 {
     SentBy    = sentBy;
     Status    = status;
     SubjectId = subjectId;
 }
 public HelpNotification(TableUser sentBy, HelpNotificationStatus status, CompletedClassification classification = null)
 {
     Classification = classification;
     SentBy         = sentBy;
     Status         = status;
 }