OptionaldescriptionsA list of locale-keyed accessibility descriptions. At least one entry is required for video assets.
OptionalmediaAn existing media asset identifier for reuse. Mutually exclusive with uploadDestinationId.
OptionalrelatedA list of related media inputs for creation.
OptionaltitleAn optional title for the media asset. For standalone images, defaults to filename if not provided. Not applicable for videos (video title is derived from the filename).
OptionaluploadThe S3 upload destination identifier from the createUploadDestination operation. Mutually exclusive with mediaId.
The request body for creating a media asset. Uses the unified media shape as a subset, omitting system-derived fields.