Create a media file object
Arguments
- location
An absolute or relative URL to the file.
- title
The title of the multimedia record.
- media_type
The media type as defined in RFC 2045.
- medium
A value from
val_medium_types()
. If "OTHER" is selected then a@medium_phrase
must be given.- medium_phrase
A free text description of the medium. This is mandatory if
@medium
is "OTHER".- media_alt
A named vector of the media in alternative media forms, c(form = location)