This topic describes the system events of ActionTrail.
| Type | Event | Description | Status | Level |
|---|---|---|---|---|
| Trail | Trail:Delivery:Fail | The trail fails to be delivered. | Failed | CRITICAL |
| Trail | Trail:Delivery:OSS:Fail | ActionTrail logs fail to be delivered to Object Storage Service (OSS). | Failed | WARN |
| Trail | Trail:Delivery:SLS:Fail | ActionTrail logs fail to be delivered to Log Service. | Failed | WARN |
| Trail | Trail:Removed | The trail is deleted | Removed | CRITICAL |
| Trail | Trail:Stopped | The trail is disabled. | Stopped | CRITICAL |