Help Center> ROMA Connect> Developer Guide> Developer Guide for Device Integration> MQTT Topic Specifications> Deleting a Gateway Subdevice
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Deleting a Gateway Subdevice

Topic

Topic

/v1/devices/{gatewayId}/topo/delete

Publisher

IoT platform

Subscriber

Edge device

Parameter Description

Field

Mandatory/Optional

Type

Description

id

Mandatory

Integer

ID of the command for deleting a subdevice.

deviceId

Mandatory

String

Unique device ID generated by the IoT platform, which corresponds to the device client ID.

requestTime

Mandatory

Timestamp

Request timestamp.

request

Mandatory

JsonObject

Subdevice information.

JsonObject struct description

Field

Mandatory/Optional

Type

Description

manufacturerName

Mandatory

String

Manufacturer name.

The value must contain 2 to 64 characters.

manufacturerId

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

{
       "requestTime": 1576639584536,
       "request": {
              "manufacturerName": "ATest_n",
              "manufacturerId": "Test_n",
              "model": "A_n"
       },
       "id": 8,
       "deviceId": "n-device"
}