kmsKeyId

Specifies the KMS key ID to use to encrypt the events delivered by CloudTrail. The value can be an alias name prefixed by alias/, a fully specified ARN to an alias, a fully specified ARN to a key, or a globally unique identifier.

Disabling or deleting the KMS key, or removing CloudTrail permissions on the key, prevents CloudTrail from logging events to the event data store, and prevents users from querying the data in the event data store that was encrypted with the key. After you associate an event data store with a KMS key, the KMS key cannot be removed or changed. Before you disable or delete a KMS key that you are using with an event data store, delete or back up your event data store.

CloudTrail also supports KMS multi-Region keys. For more information about multi-Region keys, see Using multi-Region keys in the Key Management Service Developer Guide.

Examples:

• alias/MyAliasName

• arn:aws:kms:us-east-2:123456789012:alias/MyAliasName

• arn:aws:kms:us-east-2:123456789012:key/12345678-1234-1234-1234-123456789012

• 12345678-1234-1234-1234-123456789012