Identifies the current primary key. When the operation completes, this KMS key will be a replica key.
Specify the key ID or key ARN of a multi-Region primary key.
To get the key ID and key ARN for a KMS key, use ListKeys or DescribeKey.
The Amazon Web Services Region of the new primary key. Enter the Region ID, such as
ap-southeast-2. There must be an existing replica key
in this Region.
When the operation completes, the multi-Region key in this Region will be the primary key.
The input for UpdatePrimaryRegionCommand.