subtitleLanguage

This term is proposed for full integration into Schema.org, pending implementation feedback and adoption from applications and websites.

Languages in which subtitles/captions are available, in IETF BCP 47 standard format.

Values expected to be one of these types
`Language` `Text`

Used on these types
`BroadcastEvent` `Movie` `ScreeningEvent` `TVEpisode`

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