You can call this operation to configure the read-write mode for a topic.
By default, only primary accounts can call this operation. RAM sub-accounts can call this operation only after being authorized.
|PreventCache||Long||Yes||The parameter used for CSRF verification, which can be set to the current system time. Unit: ms|
|InstanceId||String||No||The ID of the instance.|
|Topic||String||Yes||The name of the topic you want to configure, which must not be duplicated under one account even in different regions.|
|Perm||Integer||Yes||Set the read-write mode for the topic. Valid values:
|RequestId||String||A common parameter. Each request has a unique ID.|
|HelpUrl||String||A help link.|
For more information about sample codes, see API sample code and endpoints.