kmsKey
The Amazon Resource Name (ARN) of the KMS key you want to use to encrypt your resource artifacts. Only full KMS key ARN format is supported.
KMS key ARNs have the format arn:partition:kms:region:account:key/key-id. For example: arn:aws:kms:us-west-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab.
For more information, see KMS key ARNs.