Creating a Device Group

Function

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions. For details about the required permissions, see Permissions Policies and Supported Actions.

URI

POST /v2/{project_id}/link/instances/{instance_id}/device-groups

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. The default value is default for compatibility with 20.0.Project ID. For details about how to get the project ID, see "Appendix" > "Obtaining a Project ID" in this document.
instance_id	Yes	String	Instance ID. The default value is default for compatibility with 20.0.

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token, which can be obtained by calling the IAM API (value of X-Subject-Token in the response header).

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
parent_id	Yes	Integer	Parent group ID. The value is automatically rounded down.
name	Yes	String	Group name, which is a string of 2 to 64 characters containing letters, digits, underscores (_), and hyphens (-).
description	No	String	Group description.
app_id	Yes	String	ID of the application to which the group belongs.

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
permissions	Array of strings	Permission.
parent_id	Integer	Parent group ID.
id	Integer	Group ID
name	String	Group name, which is a string of 2 to 64 characters containing letters, digits, underscores (_), and hyphens (-).
description	String	Group description, which contains a maximum of 200 characters.
app_id	String	ID of the application to which the group belongs.
created_user	CreatedUser object	Name of the user who created the attribute.
last_updated_user	LastUpdatedUser object	User who performed the last update.
created_datetime	String	Time when the group was created.
last_updated_datetime	String	Last modification time.

**Table 5** CreatedUser
Parameter	Type	Description
user_id	String	User ID (reserved).
user_name	String	Username.

**Table 6** LastUpdatedUser
Parameter	Type	Description
user_id	String	User ID (reserved).
user_name	String	Username.

Status code: 400

**Table 7** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx.
error_msg	String	Error description.
request_id	String	Message ID.

Status code: 404

**Table 8** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx.
error_msg	String	Error description.
request_id	String	Message ID.

Status code: 500

**Table 9** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx.
error_msg	String	Error description.
request_id	String	Message ID.

Example Requests

Create a device group in a specified parent group.

{
  "parent_id" : 10001,
  "name" : "device_group",
  "description" : "device group",
  "app_id" : "ef3845be-091a-4ab5-869a-9de0025e2165"
}

Example Responses

Status code: 200

Created

{
  "permissions" : [ "read", "access", "delete", "modify" ],
  "parent_id" : 0,
  "id" : 1,
  "name" : "group1",
  "description" : "group",
  "app_id" : "fe382523-cf76-4152-9fc6-f772d4427302",
  "created_user" : {
    "user_id" : "6546435432432",
    "user_name" : "user1"
  },
  "last_updated_user" : {
    "user_id" : "6546435432432",
    "user_name" : "user1"
  },
  "created_datetime" : "2020-12-11",
  "last_updated_datetime" : "2020-12-11"
}

Status code: 400

Bad Request

{
  "error_code" : "SCB.00000000",
  "error_msg" : "Parameter is not valid for operation [romalink.link-device-groups.save]. Parameter is [request]. Processor is [body].",
  "request_id" : "4946aac3-6f8f-46b8-8b06-513f4084196c-1619602488278-cnnorth7a-P-romalink-service01"
}

Status code: 404

Not Found

{
  "error_code" : "ROMA.00110006",
  "error_msg" : "The resource does not exist. Check whether the resource ID 1 is correct.",
  "request_id" : "624c8be1-39b6-47b7-941d-c159aced368a-1619602544650-cnnorth7a-P-romalink-service01"
}

Status code: 500

Internal Server Error

{
  "error_code" : "ROMA.00110002",
  "error_msg" : "The instance does not exist. project_id: 397cd10b30544c588b2f4a56d83856c4, instance_id: f3bb386a-23ec-47aa-9943-4c60ac658611",
  "request_id" : "c8c06d0a-be92-4fdf-9d10-bc20131ab158-1619593104919-cnnorth7a-P-romalink-service01"
}