lwm2m.device.oir.read

The lwm2m.device.oir.read command is used to read an object, instance, or resource from a device.

TR50 Request

{
  "1": {
    "command": "lwm2m.device.oir.read",
    "params": {
      "thingKey": "mydevice",
      "objId": 27000,
      "instId": 0,
      "resId": 7,
      "encoding": 11542
    }
  }
}

Request Parameters

Name	Type	Required	Description
id	String	Yes*	The id of the device.
thingId	String		The id of the Thing.
thingKey	String		The thingKey of the Thing.
esn	String		The ESN of the device.
iccid	String		The ICCID of the device.
imei	String		The IMEI of the device.
imsi	String		The IMSI of the device.
meid	String		The MEID of the device.
msisdn	String		The MSISDN of the device.
*One of the above fields must be used to identify the device.
objId	Integer	Yes	The object ID.
instId	Integer		The instance ID.
resId	Integer		The resource ID.
resIdx	Integer		The resource instance ID.
encoding	Integer		Message containing data must specify the payload encoding by using one of the supported data format. For more information on encoding, see Navigating Object browser.

If the command is sent successfully a success message and the selected value to read is returned. Otherwise, an error and error message will be returned.

TR50 Response

{
  "1": {
    "success": true,
    "params": {
      "result": {
        "27000": {
          "0": {
            "7": {
              "value": {
                "instId": 1,
                "objId": 1
              }
            }
          }
        }
      }
    }
  }
}

Response Parameters

Name	Type	Description
result	Array	The object structure of the value to read. The structure will vary by selected device and specified parameters.