This topic describes the fields of event logs that are collected by using the inner-ActionTrail feature.

Field Description
EventID The unique ID of the event.
EventVersion The version of the API. Valid value: 1.0.0.
EventProduct The name of the service on which an operation is performed, such as OSS.
EventName The name of the event that occurs when you call an API operation on an Alibaba Cloud service, such as Set Bucket Quota Limit.
EventDescription The description of the event. The description includes the ID of the ticket, ticket ID of internal operations and maintenance (O&M) or changes, and ID of the security scanning task.
EventType The event type. Valid values:

    The technical support that is initiated by Alibaba Cloud O&M engineers, such as troubleshooting based on tickets that are submitted by users.


    The operations that are initiated by Alibaba Cloud engineers or systems based on O&M requirements, such as bucket migration across clusters after the cluster hardware is out of warranty.


    The operations that are performed on the public data of users and initiated by Alibaba Cloud engineers or systems based on rules and regulations.

EventMethod The method that is used to call the API operation. For example, use the API, an SDK, or the console to read or write data and perform backup recovery.
ResourceType The type of the event-associated resource, such as Acs::Oss::Bucket.
ResourceID The ID of the resource. For example, the value can be the ID of a specific Object Storage Service (OSS) bucket.
ResourceRegionID The ID of the region where the event-associated resource resides.
ResourceOwnerID The ID of the Alibaba Cloud account to which the event-associated resource belongs.
EventAdditionalDetail The additional information about the event.
EventTime The time when the event-associated operation is performed, such as 2019-09-18T05:23:37Z. The time is in UTC.
EventLevel The severity level of the event. Valid values:
  • NOTICE: records the event in a log file.
  • WARNING: records the event in a log file and sends an alert notification to users.