Query a Device Group

Function

This API is used by an application to query details about a specific device group.

Debugging

You can debug this API through automatic authentication in API Explorer or use the SDK sample code generated by API Explorer.

URI

GET /v5/iot/{project_id}/device-group/{group_id}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Parameter description: project ID. For details about how to obtain the project ID, see Obtaining a Project ID.
group_id	Yes	String	Parameter description: device group ID. The ID is unique and is allocated by the platform during device group creation. Value: The value can contain a maximum of 36 characters, including hexadecimal strings and hyphens (-).

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	No	String	Parameter description: user token. You can obtain the token by calling the IAM API Obtaining a User Token Through Password Authentication. X-Subject-Token in the response header returned by the API is the desired user token. For details about how to obtain the token, see Token Authentication.
Instance-Id	No	String	Parameter description: instance ID. Unique identifier of each instance in the physical multi-tenant scenario. Mandatory for professional editions and recommended in other cases. Log in to the IoTDA console and choose Overview in the navigation pane to view the instance ID. For details, see Viewing Instance Details.

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
group_id	String	Device group ID. The ID is unique and is allocated by the platform during device group creation.
name	String	Device group name, which must be unique in a single resource space.
description	String	Device group description.
super_group_id	String	ID of the parent device group.
group_type	String	Device group type, which can be dynamic or static.
dynamic_group_rule	String	Dynamic device group rule.

Example Requests

Queries details about a specified device group.

GET https://{endpoint}/v5/iot/{project_id}/device-group/{group_id}

Example Responses

Status code: 200

{
  "group_id" : "04ed32dc1b0025b52fe3c01a27c2babc",
  "name" : "GroupA",
  "description" : "GroupA",
  "super_group_id" : "04ed32dc1b0025b52fe3c01a27c2b0a8",
  "group_type" : "STATIC"
}