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ApsaraMQ for MQTT:UpdateCustomAuthPermission

Last Updated:Jul 31, 2025
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Updates the permissions on a topic.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • For mandatory resource types, indicate with a prefix of * .
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
mq:UpdateCustomAuthPermissionupdate
*Instance
acs:mq:{#regionId}:{#accountId}:{#InstanceId}
    none
none

Request parameters

ParameterTypeRequiredDescriptionExample
InstanceIdstringYes

ID of the Cloud Message Queue MQTT version instance.

post-cn-0pp12gl****
IdentityTypestringYes

The identity type. Valid values:

  • USER
  • CLIENT
USER
IdentitystringYes

Username or Client ID.

test
PermitActionstringYes

The permissions that you want to grant.

Enumeration Value:
  • PUB
  • SUB
  • PUB_SUB
PUB_SUB
EffectstringYes

Specifies whether to allow or deny access.

Enumeration Value:
  • ALLOW
  • DENY
ALLOW
TopicstringYes

Authorized Topic, supporting multi-level MQTT topics and wildcards.

test/t1

Response parameters

ParameterTypeDescriptionExample
object

Schema of Response

RequestIdstring

Id of the request

8CC04203-679B-4DED-89D9-E7C2E979****
Codeinteger

Error code returned upon failed invocation. For more information, see Error Codes.

200
Successboolean

Indicates whether the call was successful. true: Call succeeded. false: Call failed.

True
Messagestring

Information

operation success.

Examples

Sample success responses

JSONformat

{
  "RequestId": "8CC04203-679B-4DED-89D9-E7C2E979****",
  "Code": 200,
  "Success": true,
  "Message": "operation success."
}

Error codes

HTTP status codeError codeError message
400InstancePermissionCheckFailedAn error occurred while validating the permissions of the instance. Please verify the account that created the instance and its permissions settings.
400InvalidParameter.%sAn error occurred while validating the parameter. The parameter may be missing or invalid.
404ApiNotSupportThe specified API is not supported.

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
No change history