code: @Override
      public void actionCommit() {
  
          List<Throwable> errors = new ArrayList<Throwable>();
  
          try {
              // set the edited message
              OpenCms.getLoginManager().setLoginMessage(getCms(), m_loginMessage);
              // update the system configuration
              OpenCms.writeConfiguration(CmsVariablesConfiguration.class);
              // clear the message object
              setDialogObject(null);
          } catch (Throwable t) {
              errors.add(t);
          }
  
          // set the list of errors to display when saving failed
          setCommitErrors(errors);
      }
docs: Commits the edited login message to the login manager.<p>