The operation log feature of Classic Load Balancer (CLB) is used to record activities in CLB within your Alibaba Cloud account. After you enable the feature, records are generated when you access or manage the CLB service.
Background information
The operation log feature of CLB is integrated with the event management feature of ActionTrail. ActionTrail is a service that monitors and records activities within your Alibaba Cloud account. Records are generated when you use the Alibaba Cloud Management Console, call APIs, or use SDKs to access or manage services on Alibaba Cloud.
Query logs
Log on to the CLB console.
In the left-side navigation pane, choose Logs > Operation Log.
On the Operation Log page, select an event type and a time period (90 days at most), and click
to query the logs.Event type
Supported option
Read-Write type
Valid values: Write and Read.
Username
Specify a username type. For example, user1 specifies a RAM user.
Resource Type
Select a resource type.
Find the event that you want to manage and click the
icon. Click Event Detail. The Event Detail message displays the record in XML. You can click the 
icon to copy the record and save the record as needed. For example, you can save the record in local storage.