public static boolean isSyncSendForOrder(Event event) {
        String syncSend = event.getHeaders().get(AttributeConstants.MESSAGE_SYNC_SEND);
        return StringUtils.isNotEmpty(syncSend) && "true".equalsIgnoreCase(syncSend);
    }
is or not sync send for order message
@param event  event object
@return true/false
inlong-dataproxy/dataproxy-source/src/main/java/org/apache/inlong/dataproxy/utils/MessageUtils.java