aws dms start-metadata-model-export-to-target
Queues an export of the selected converted metadata models (database objects such as tables, views, and procedures) to your target database. AWS CLI reference
3 options Its page in the AWS CLI reference
Options
--migration-project-identifierThe migration project name or Amazon Resource Name (ARN).--overwrite-extension-packSpecifies whether to overwrite the extension pack if one already exists on the target database.--selection-rulesA JSON string that identifies the metadata models to export to the target database.