Response for Querying Gateway Child Device Information

Topic

Topic	/v1/devices/{gatewayId}/topo/queryResponse
Publisher	IoT platform
Subscriber	Edge device

Parameter Description

Field	Mandatory/Optional	Type	Description
mid	Mandatory	Integer	Command ID.
statusCode	Mandatory	Integer	Result code for request processing. The options are as follows: 0: success non-0: failure
statusDesc	Optional	String	Response status description.
data	Optional	List<DeviceInfo>	Device information.
count	Optional	String	Device quantity.
marker	Optional	String	Tag.

**Table 1** DeviceInfo structure
Field	Mandatory/Optional	Type	Description
deviceId	Mandatory	String	Unique device ID generated by the IoT platform, which corresponds to the device client ID.
nodeId	Mandatory	String	Device identifier. The value must contain 2 to 64 characters and can consist of only uppercase and lowercase letters, digits, and hyphens (-).
name	Mandatory	String	Device name. The value must contain 2 to 64 characters and can consist of only uppercase and lowercase letters, digits, hyphens (-), and number signs (#).
description	Optional	String	Device description. The value length cannot exceed 200 characters.
manufactureId	Mandatory	String	Manufacturer ID. The value must contain 2 to 50 characters and can consist of only uppercase and lowercase letters, digits, hyphens (-), and underscores (_).
model	Mandatory	String	Product model. The value must contain 2 to 50 characters and can consist of only uppercase and lowercase letters, digits, hyphens (-), and underscores (_).

Example

{
	"mid": 2,
	"statusCode": 0,
	"statusDesc": "",
        "marker": "",
        "count": "1",
	"data": [
		{
			"deviceId": "D59eGSxy",
			"nodeId": "test123",
			"name": "n-device",
			"description": "addsSubDevice",
			"manufacturerId": "Test_n",
			"model": "A_n"
		}
	]
}

Parent topic: MQTT Topic Specifications

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