Custom Command Delivery Devices

Function

This API is used to customize a command delivery device.

URI

POST /v2/{project_id}/link/instances/{instance_id}/devices/customize-commands

**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.

**Table 2** Query Parameters
Parameter	Mandatory	Type	Description
topic	Yes	String	Custom command delivery topic
app_id	Yes	String	Application ID
device_id	Yes	String	Device client ID, which is the unique device ID generated by the platform. The device name, client ID, and device ID can be used for joint query. Too many devices may lead to query timeouts. You are advised to specify one condition with more key words.
qos	No	String	Service quality. The default value is 0. Only 0 and 1 are allowed.

Request Parameters

**Table 3** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.

**Table 4** Request body parameters
Parameter	Mandatory	Type	Description
SendCustomizeCommandRequestBody	No	String	This API is used to customize a command delivery body.

Response Parameters

Status code: 201

**Table 5** Response body parameters
Parameter	Type	Description
code	String	Status code of command delivery response
msg	String	Content of command delivery

Status code: 400

**Table 6** 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 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: 500

**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.

Example Requests

Create a device with protocol type as MQTT, product type as common, and device status as enabled.

{
  "aa" : 123
}

Example Responses

Status code: 201

Created

{
  "msg" : "SENDMESSAGE_SUCCESS.",
  "code" : "iot.api.device.command.post.service.sendMessage.success"
}

Status code: 400

Bad Request

{
  "error_code" : "SCB.00000000",
  "error_msg" : "Parameter is not valid for operation [romalink.link-device.save]. Parameter is [parent_device_id]. Processor is [body].",
  "request_id" : "cb39e78a-afd3-4e04-901d-70468b1c23dc-1619602712496-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 ff38023c-0854-4779-847d-72528e1f5da1 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"
}