| Parameter | Type | Description | Example |
|---|---|---|---|
| object | The custom configurations when the event source is ApsaraMQ for MQTT in EventBridge. | ||
| InstanceId | string | The ID of the ApsaraMQ for MQTT instance. | mqtt-**** |
| RegionId | string | The region in which the ApsaraMQ for MQTT instance resides. | cn-hangzhou |
| Topic | string | The name of the topic in the ApsaraMQ for MQTT instance. | testTopic |