code: public function addReviewNote(Member $reviewer, $message)
      {
          $reviewLog = ContentReviewLog::create();
          $reviewLog->Note = $message;
          $reviewLog->ReviewerID = $reviewer->ID;
          $this->owner->ReviewLogs()->add($reviewLog);
      }
docs: Creates a ContentReviewLog and connects it to this Page.
  
  @param Member $reviewer
  @param string $message