#namespace Media

endpoint UploadInitCommandResult UploadInitCommand : Impl
{
    description
    {
        Initialize an upload.
    }
    params
    {
        required u64 total_bytes
        required string media_type
        optional IEnumerable<long> additional_owners
        optional string media_category
    }
    returns
    {
        The result of INIT command.
    }
}