code: static byte[] marshall(final int counter, final boolean isException) throws DevFailed {
          XLOGGER.entry();
          final ZmqCallInfo zmqCallInfo = new ZmqCallInfo(EventConstants.ZMQ_RELEASE, counter,
                  EventConstants.EXECUTE_METHOD, EventConstants.OBJECT_IDENTIFIER, isException);
          final CDROutputStream os = new CDROutputStream();
          try {
              ZmqCallInfoHelper.write(os, zmqCallInfo);
              XLOGGER.exit();
              // EventManager.dump(os.getBufferCopy());
              return os.getBufferCopy();
          } finally {
              os.close();
          }
      }
docs: Marshall the ZmqCallInfo object
  
  @param counter     event counter
  @param isException true if the attribute has failed
  @return result of the marshall action
  @throws DevFailed if marshall action failed