Specifies values for multiple device properties at a time.

Usage notes

If the Thing Specification Language (TSL) data is of the float or double type, the parameter values that correspond to the TSL data contain at least one decimal place. Examples: 10.0 and 11.1.

QPS limits

Each Alibaba Cloud account can run up to 10 queries per second (QPS).

Note The RAM users of an Alibaba Cloud account share the quota of the account.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes SetDevicesProperty

The operation that you want to perform. Set the value to SetDevicesProperty.

DeviceName.N RepeatList Yes light

The names of the devices whose properties you want to configure. Valid values: 1 to 100.

Items String Yes {"Switch":1,"Color":"blue"}

The properties that you want to specify. The properties must be in the JSON format.

Each property consists of a key-value pair in the key:value format. Separate multiple properties with commas (,).

For example, you can configure the following properties for a smart lamp:

  • A switch property whose key is Switch and whose data type is BOOLEAN. The value is 1. The value 1 indicates that the light is on.
  • A color property whose key is Color and whose data type is STRING. The value is blue.

In this case, you can specify the following properties in the JSON format:

Note If you configure properties for the custom module testFb, set the Items parameter to {"testFb:Switch":1,"testFb:Color":"blue"}. The testFb module is not the default module.
ProductKey String Yes a1BwAGV****

The ProductKey of the product to which the device belongs.

IotInstanceId String No iot_instc_pu****_c*-v64********

The ID of the instance. You can view the ID of the instance on the Overview page in the IoT Platform console.

  • If your instance has an ID, you must specify the ID for this parameter. Otherwise, the call fails.
  • If no Overview page or ID is generated for your instance, you do not need to configure this parameter.

For more information, see Overview.

In addition to the preceding operation-specific request parameters, you must also configure common request parameters when you call this operation. For more information about common request parameters, see Common parameters.

Response parameters

Parameter Type Example Description
Code String iot.system.SystemException

The error code returned if the call fails. For more information about the error codes, see Error codes.

ErrorMessage String A system exception occurred.

The error message returned if the call fails.

RequestId String E55E50B7-40EE-4B6B-8BBE-D3ED55CCF565

The ID of the request.

Success Boolean true

Indicates whether the call was successful.

  • true: The call was successful.
  • false: The call failed.


Sample requests

&<Common request parameters>

Sample success responses

XML format


JSON format

  "RequestId": "2E19BDAF-0FD0-4608-9F41-82D230CFEE38",
  "Success": true

Error codes

For a list of error codes, see Service error codes.