Status: IN
For CloudTrail Lake dashboard auto-refresh, two resource-based policies are needed: one on the event data store (allowing `StartQuery`) and one on the dashboard (allowing `StartDashboardRefresh`), both with principal `cloudtrail.amazonaws.com`.
Source: entries/2026/03/12/awscloudtrail-latest-userguide-security_iam_resource-based-policy-exampleshtml.md