Describes a downloadable for order line item.
basename
Returns the basename
download_link
Returns a link to the download page.
download_times
Returns the maximum times this file can be downloaded.
download_times_left
Returns the number of times left this file can be downloaded.
expires_at
Returns the date and time when this download link expires. Returns null if it never expires.
file_size
Returns the file_size
filename
Returns the filename
is_expired
Returns true if the download link has expired.
mime_type
Returns the mime type