code: public String notifyResponsibles() throws CmsException {
  
          Iterator<CmsContentNotification> notifications = filterConfirmedResources(getContentNotifications()).iterator();
          if (notifications.hasNext()) {
              StringBuffer result = new StringBuffer(
                  Messages.get().getBundle().key(Messages.LOG_NOTIFICATIONS_SENT_TO_0));
              result.append(' ');
              while (notifications.hasNext()) {
                  CmsContentNotification contentNotification = notifications.next();
                  result.append(contentNotification.getResponsible().getName());
                  if (notifications.hasNext()) {
                      result.append(", ");
                  }
                  try {
                      contentNotification.send();
                  } catch (EmailException e) {
                      LOG.error(e.getLocalizedMessage(), e);
                  }
              }
              return result.toString();
          } else {
              return Messages.get().getBundle().key(Messages.LOG_NO_NOTIFICATIONS_SENT_0);
          }
      }
docs: Sends all notifications to the responsible users.<p>
  
  @return a string listing all responsibles that a notification was sent to
  
  @throws CmsException if something goes wrong