Deletes a feature in the Thing Specification Language (TSL) model of a product.


  • You must specify one of the PropertyIdentifier.N, ServiceIdentifier.N, and EventIdentifier.N parameters. You can specify a maximum of 10 identifiers.
  • Each Alibaba Cloud account can run a maximum of 50 queries per second (QPS).
    Note Resource Access Management (RAM) users share the quota of the Alibaba Cloud 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 DeleteThingModel

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

ProductKey String Yes a1BwAGV****

The product key.

IotInstanceId String No iot-cn-0pp1n8t****

The instance ID. This parameter is not required for public instances. However, the parameter is required for the instances that you have purchased.

ResourceGroupId String No rg-acfm4l5tcwd****

The ID of the resource group.

Note You cannot specify this parameter.
PropertyIdentifier.N RepeatList No Temperature

The list of identifiers for the properties that you want to delete. You can specify a maximum of 10 property identifiers.

ServiceIdentifier.N RepeatList No Set

The list of identifiers for the services that you want to delete. You can specify a maximum of 10 service identifiers.

EventIdentifier.N RepeatList No OfflineAlert

The list of identifiers for the events that you want to delete. You can specify a maximum of 10 event identifiers.

In addition to the preceding operation-specific request parameters, you must specify common request parameters when you call this API operation. For more information, 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, 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": "9E76053E-26ED-4AB4-AE58-8AFC3F1E7E8E",
  "Success": true

Error codes

For a list of error codes, visit the API Error Center.