Set the subtitles field on all entries about local files having subtitles. The field is a list of available languages.
check_subs:
filesystem:
path:
- D:\Media\Incoming\series
regexp: '.*\.(avi|mkv|mp4)$'
recursive: yes
check_subtitles: yes
if:
- "subtitles and 'ita' in subtitles": accept