Creates a consumer group that is required for an AMQP server-side subscription.

Limits

Each Alibaba Cloud account can run a maximum of 5 queries per second (QPS).

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

Debugging

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 CreateConsumerGroup

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

GroupName String Yes Consumer group 1

The name of the consumer group. The name must be 4 to 30 characters in length and can contain letters, digits, and underscores (_).

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

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

Notice
  • If your instance has an ID, you must configure this parameter. If you do not set this parameter, the call fails.
  • If your instance has no Overview page or ID, you do not need to set this parameter.

For more information, see Overview.

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

GroupId String nJRaJPn5U1JITGf******

The ID of the consumer group.

RequestId String 73B9DF43-7780-47DE-8BED-077729D28BD2

The ID of the request.

Success Boolean true

Indicates whether the call was successful.

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

Examples

Sample requests

https://iot.cn-shanghai.aliyuncs.com/?Action=CreateConsumerGroup
&GroupName=Consumer group 1
&<Common request parameters>

Sample success responses

XML format 

<CreateConsumerGroupResponse>
    <GroupId>nJRaJPn5U1JITGf******</GroupId>
    <RequestId>73B9DF43-7780-47DE-8BED-077729D28BD2</RequestId>
    <Success>true</Success>
</CreateConsumerGroupResponse>

JSON format 

{
  "GroupId": "nJRaJPn5U1JITGf******",
  "RequestId": "73B9DF43-7780-47DE-8BED-077729D28BD2",
  "Success": true
}

Error codes

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