Help Center/ ROMA Connect/ User Guide (ME-Abu Dhabi Region)/ Device Integration Guide/ Subscription Management/ Appendix: Packets of Subscribed Notification Messages
Updated on 2022-02-21 GMT+08:00
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Appendix: Packets of Subscribed Notification Messages

This section uses a common device as an example to describe sample MQS packets related to subscription management.
  • Message attributes 
    {
        "deviceIdentifier":"iottest2", //Device identifier
        "eventTime":"1588843914884", //Message time    
        "gatewayIdentifier":"null", //Gateway identifier
        "deviceId":"D114VKx7a", //Device ID
        "gatewayId":"null", //Gateway ID
        "TAGS":"null" //Message tag
}
    • For a common device or gateway, set gatewayId and gatewayIdentifier to null.
    • For a subdevice, gatewayId and gatewayIdentifier are deviceId and deviceIdentifier of the gateway respectively.
  • Message content
    1. Adding a device 
      {
        'deviceType':'Default', //Device type
        'instanceOid':'40', //Instance OID
        'manufacturerName':'iotcompro1',//Manufacturer name
         'productOid':'1', //Product OID
        'manufacturerId':'iotcompro1', //Manufacturer ID
        'remark':'', //Device description
        'deviceId':'D114VKx7a', //Device ID
         'deviceName':'iottest2', //Device name
        'productName':'iotcompro1', //Product name
        'notifyType':'deviceAdded', //Message type
        'deviceIdentifier':'iottest2', //Device identifier
        'deviceOid':'14', //Device OID
        'createdBy':'admin', //Creator
        'eventTime':'1588843914884', //Message time
        'model':'iotcompro1', //Product model
        'productType':'0', //Product type. 1: gateway product; 0: common product.
        'status':'0', //Device status. 0: enabled; 1: disabled.
        'parentDeviceOid':'null' //Parent device OID
}
    2. Deleting a device 
      {
        'notifyType':'deviceDeleted', //Message type
        'deviceIdentifier':'iottest2', //Device identifier
        'eventTime':'1588843914884', //Message time
        'deviceId':'D114VKx7a', //Device ID
}
    3. Taking a device online 
      {
     'notifyType':'deviceOnline', //Message type: device online
    'deviceIdentifier':'iottest2', //Device identifier
    'eventTime':'1588843914884', //Message time
     'deviceId':'D114VKx7a', //Device ID
}
    4. Taking a device offline 
      {
     'notifyType':'deviceDeleted', //Message type
    'deviceIdentifier':'iottest2', //Device identifier
    'eventTime':'1588843914884', //Message time
     'deviceId':'D114VKx7a', //Device ID
}
    5. Changing the device type 
      {
        'instanceOid':'40', //Instance OID
         'productOid':'1', //Product OID
        'remark':'', //Device description
        'deviceId':'D114VKx7a', //Device ID
         'deviceName':'iottest1', //Device name
        'notifyType':'deviceChange', //Message type
        'deviceIdentifier':'iottest1', //Device identifier
        'deviceOid':'1', //Device OID
        'createdBy':'admin', //Creator
        'eventTime':'1588843914884', //Message time
        'status':'0', //Device status. 0: enabled; 1: disabled.
        'parentDeviceOid':'null' //Parent device OID
}
Parent topic: Subscription Management