code: private void fireEvent(String action, ESigItem item) {
          if (eventManager != null) {
              eventManager.fireLocalEvent("ESIG." + action, item);
          }
      }
docs: Notifies subscribers of changes to the list by firing an ESIG.[action] event.
  
  @param action Name of the action. This becomes a subtype of the ESIG event.
  @param item The item for which the action occurred.