ModifyCmqTopicAttribute

Last updated: 2025-11-25 10:54:42

ModifyCmqTopicAttribute

Last updated: 2025-11-25 10:54:42

1. API Description

Domain name for API request: tdmq.intl.tencentcloudapi.com.

This API is used to modify the attributes of a CMQ topic.

A maximum of 20 requests can be initiated per second for this API.

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name	Required	Type	Description
Action	Yes	String	Common Params. The value used for this API: ModifyCmqTopicAttribute.
Version	Yes	String	Common Params. The value used for this API: 2020-02-17.
Region	Yes	String	Common Params. For more information, please see the list of regions supported by the product. This API only supports: ap-bangkok, ap-beijing, ap-chengdu, ap-chongqing, ap-guangzhou, ap-hongkong, ap-nanjing, ap-seoul, ap-shanghai, ap-shanghai-fsi, ap-shenzhen-fsi, ap-singapore, ap-tokyo, eu-frankfurt, na-ashburn, na-siliconvalley, sa-saopaulo.
TopicName	Yes	String	Topic name, which must be unique under the same account in a single region. the name is a string of no more than 64 characters, starting with a letter, and the remaining part may include letters, numbers, and hyphens (-).
MaxMsgSize	No	Integer	Maximum message length. Value range: 1024–65536 bytes (i.e., 1–64 KB). Default value: 65536.
MsgRetentionSeconds	No	Integer	Message retention period. Value range: 60–86400 seconds (i.e., 1 minute–1 day). Default value: 86400.
Trace	No	Boolean	Whether to enable message trace. true: yes; false: no. If this field is left empty, the feature will not be enabled.

3. Output Parameters

Parameter Name	Type	Description
RequestId	String	The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

4. Example

Example1 Modify topic attributes.

Input Example

POST / HTTP/1.1
Host: tdmq.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: ModifyCmqTopicAttribute
<Common request parameters>

{
    "TopicName": "test-topic",
    "MaxMsgSize": 1240,
    "MsgRetentionSeconds": 43200,
    "Trace": true
}

Output Example

{
    "Response": {
        "RequestId": "8a04c6b1-dec5-4979-b3b2-34ab3b3402b2"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

Tencent Cloud CLI 3.0

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code	Description
FailedOperation	Operation failed.
ResourceNotFound.Topic	The topic does not exist.

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