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Modify Topic Attributes

最后更新时间：2024-12-18 17:45:19
    Note:
    This is a legacy API which has been hidden and will no longer be updated. We recommend using the new CMQ API 3.0 which is standardized and faster.

    Interface description

    This API (SetTopicAttributes) is used to modify the attributes of message topic.
    Domain name requested by public network API: https://cmq-topic-{$region}.api.qcloud.com
    Domain name requested by private network API: http://cmq-topic-{$region}.api.tencentyun.com
    The above {$region} in the domain name needs to be replaced with a specific region : gz (Guangzhou), sh (Shanghai), bj (Beijing), shjr (Shanghai Financial), szjr (Shenzhen Financial), hk (China Hong Kong), cd (Chengdu), ca (North American), usw (Maxi), sg (Singapore). The region value in the common parameters should be consistent with the region value of the domain name. If there is any inconsistency, the request will be sent to the region specified by the domain name region based on the region value of the domain name.
    Note:
    At any time (including during internal testing), if the public network downstream Traffic is generated by using a public network domain name, Traffic and cost will be charged. Therefore, users of the service on Tencent Cloud are strongly recommended to use it. Private network Domain name, private network will not produce Traffic cost.

    Input Parameter

    The following request parameter list only lists the API request parameters. For other parameters, please see Common Request Parameters page.
    Parameter name
    Required
    Type
    Description
    TopicName
    Yes
    String
    Topic's name is unique under the same account in a single region. The name of topic is a string of no more than 64 characters, which must begin with a letter, and the rest can contain letters, numbers and underscores (-).
    MaxMsgSize
    No
    Int
    Max Message Length. Value range: 1024-65536 Byte (that is, 1-64K). The default value is 65536.

    Output Parameter

    Parameter name
    Type
    Description
    Code
    Int
    0: indicates success. 4440: topic does not exist. The meaning of other return values can be referenced. Error Codes .
    Message
    String
    Error message.
    RequestId
    String
    Request ID generated by the server. When an internal error occurs on the server, the user can submit this ID to Backend Background to locate the problem.

    Example

    Enter:
     https://domain/v2/index.php?Action=SetTopicAttributes
     &topicName=test-Topic-123
     &maxMsgSize=1024
     &<Common request parameters>
    Output:
    {
    "code" : 0,
    "message" : "",
    "requestId":"14534664555"
    }
    
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