Queries the online consumer groups that subscribe to a specified topic.
Operation description
You can call this operation to query the online consumer groups that subscribe to a specified topic. If all consumers in a group are offline, the information about the group is not returned.
Debugging
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 Resourcesis 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.
| Operation | Access level | Resource type | Condition key | Associated operation |
|---|
| Operation | Access level | Resource type | Condition key | Associated operation |
|---|---|---|---|---|
| mq:QueryTopicSubDetail | get | Topic acs:mq:{#regionId}:{#accountId}:{#TopicName}Topic acs:mq:{#regionId}:{#accountId}:{#InstanceId}%{#TopicName} |
|
|
Request parameters
| Parameter | Type | Required | Description | Example |
|---|
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| InstanceId | string | Yes | The ID of the instance that contains the topic you want to query. | MQ_INST_111111111111_DOxxxxxx |
| Topic | string | Yes | The name of the topic that you want to query. | test |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "87B6207F-2908-42B5-A134-84956DCA****",
"Data": {
"SubscriptionDataList": {
"SubscriptionDataList": [
{
"GroupId": "GID_test",
"MessageModel": "CLUSTERING",
"SubString": "*",
"Online": "true"
}
]
},
"Topic": "test"
}
}Error codes
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|
| Change time | Summary of changes | Operation |
|---|---|---|
| 2025-03-21 | The response structure of the API has changed | View Change Details |
View consumer groups that subscribe to a topic in the console
You can also view the information about the online consumer groups that subscribe to a topic in the ApsaraMQ for RocketMQ console. For more information, see View subscriptions.
