public function onBeforeSave()
 {
     parent::onBeforeSave();
     if (!$this->ID) {
         $this->AuthorID = Member::currentUserID();
     }
 }
 public function onBeforeSave()
 {
     if (!$this->isInDB()) {
         //TO DO - this does not seem to work
         $this->AuthorID = Member::currentUser()->ID;
     }
     parent::onBeforeSave();
 }