Description of the feature request
You can now use Transporter, Apple’s command-line delivery tool, to upload app previews to iTunes Connect. Transporter integrates with your content management system to deliver your app metadata in bulk using XML, which is especially useful for adding and managing multiple localizations. For details on using Transporter to upload app previews, see the App Metadata Specification.
Use case / for what or how I would use it
For uploading app to the store.