code: public void notifyChildren(String eventName, Object eventData, boolean recurse) {
          notifyChildren(this, eventName, eventData, recurse);
      }
docs: Allows a parent element to notify its children of an event of interest.
  
  @param eventName Name of the event.
  @param eventData Data associated with the event.
  @param recurse If true, recurse over all child levels.