System.currentTimeMillis()RouteDirection.CONNECTOR!System.currentTimeMillis() to create timeSystem.currentTimeMillis() to create timeSubscriberDefinitionSubscriberDefinitionSubscriberDefinitionSubscriberDefinitionResourcesSendModeMessageHeader.Headers.RECEIVER_CHANNEL_ID and setSendModeIfAbsent SendMode.TO_CHANNELMessageHeader.Headers.RECEIVER_DEVICE_ID and setSendModeIfAbsent SendMode.TO_DEVICEMessageHeader.Headers.RECEIVER_GROUP_ID and setSendModeIfAbsent SendMode.TO_GROUPMessageHeader.Headers.RECEIVER_ROOM_ID and setSendModeIfAbsent SendMode.TO_ROOMMessageHeader.Headers.RECEIVER_USER_ID and setSendModeIfAbsent SendMode.TO_USER