The correct option is Use the GitHub organization Audit Log search in the web interface or call the Audit Log REST API.

The GitHub organization Audit Log is the authoritative source for organization wide activity and it includes events generated by GitHub Copilot. You can review the past 45 days directly in the web interface with rich filtering, and you can export results if needed. The Audit Log REST API provides a reliable and repeatable way to query the same data programmatically for a specific time window and for Copilot related actions, which makes it the most dependable approach.

Use Cloud Logging to query Copilot events from the GitHub organization is not dependable because GitHub does not send audit data to Google Cloud Logging by default and it requires prior streaming setup to external storage. Even if an export exists it might not cover the full 45 day span or all organizations consistently.

Read the audit.log file stored in a repository is incorrect because GitHub does not write an official organization audit trail into a repository file. Any file in a repo could be incomplete or modified and it is not an authoritative source.

Run grep against exported log files on a developer laptop is unreliable because it is not centralized or controlled, it depends on ad hoc exports, and it risks missing events outside whatever files happen to be on that machine.

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