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Updated at: Feb 24, 2022 GMT+08:00

Modifying a Device Group

Typical Scenario

If information about a device group (such as the device group name and the device quantity limit in the device group) needs to be modified due to service changes, an NA can call this API to modify the information.

API Function

This API is used to modify the information of a specified device group on the IoT platform.

API Description

1
def modifyDeviceGroup(self, mdgInDTO, devGroupId, accessAppId, accessToken)

Parameter Description

Parameter

Mandatory or Optional

Type

Location

Description

mdgInDTO

Mandatory

ModifyDeviceGroupInDTO

body

For details, see ModifyDeviceGroupInDTO structure.

devGroupId

Mandatory

String (50)

path

Identifies a device group. The value of this parameter is returned by the IoT platform after the device group is added.

accessAppId

Optional

String

query

If the device belongs to the current application, set this parameter to None. Otherwise, set this parameter to the ID of the authorized application.

accessToken

Mandatory

String

header

This parameter is set to the value of the access token obtained by calling the Authentication API.

ModifyDeviceGroupInDTO

Parameter

Mandatory or Optional

Type

Location

Description

name

Mandatory

String(1-50)

body

Indicates the device group name. The value can contain only uppercase and lowercase letters and digits.

description

Optional

String(1024)

body

Indicates the device group description.

maxDevNum

Optional

Integer(>=0)

body

Indicates the maximum number of devices in a device group. The default value is 0. If the value is 0, the number of devices is not limited.

Response Parameters

ModifyDeviceGroupOutDTO structure

Parameter

Type

Description

name

String(50)

Indicates the device group name. The value can contain only uppercase and lowercase letters and digits.

description

String(1024)

Indicates the device group description.

id

String(50)

Identifies the device group.

appId

String(50)

Identifies the application to which the device group belongs.

maxDevNum

Integer(>=0)

Indicates the maximum number of devices in the device group. If the value is 0, the number of devices is not limited.

curDevNum

Integer

Indicates the current number of devices in the device group.

Error Codes

HTTP Status Code

Error Code

Error Description

Remarks

200

100203

The application is not existed.

The application does not exist.

Recommended handling:

  • Check whether appId carried in the HTTP request header is correct.
  • Check whether appId in the request path (URL) is correct.

200

100217

The application hasn't been authorized.

The application has not been authorized.

Recommended handling: In scenarios where applications are not authorized, ensure that request parameter appId is null.

200

100601

The number of device in the group has reach the max.

The number of devices in the device group reaches the upper limit.

Recommended handling: Ensure that the number of devices in the device group is within the range specified by maxDevNum.

200

100602

The device group name has been used.

The device group name exists.

Recommended handling: Change the device group name in the API request.

200

100603

The device group is not existed.

The device group does not exist.

Recommended handling: Check whether the device group ID is correct.

400

50400

The input is invalid.

An input parameter is invalid.

Recommended handling: Check whether parameters carried in the API call request are valid.

403

1010009

app throttle exceed.

The NA calls the API at a frequency that exceeds the flow control threshold (100 calls per minute by default).

Recommended handling: Contact IoT platform maintenance personnel to adjust the flow control threshold or control the API call frequency.

403

1010005

App_key or access_token is invalid.

The access token is invalid.

Recommended handling: Check whether accessToken carried in the API request is correct.

500

50252

Internal server error.

An internal server error occurs.

Recommended handling: An internal error occurs on the IoT platform. Contact IoT platform maintenance personnel.

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