kMSMasterKeyId property
The AWS KMS customer master key (CMK) of the replica that should be used for AWS KMS encryption. To specify a CMK, use its key ID, Amazon Resource Name (ARN), alias name, or alias ARN. Note that you should only provide this parameter if the key is different from the default DynamoDB KMS master key alias/aws/dynamodb.
Implementation
final String? kMSMasterKeyId;