caption constant
caption [Expects: http://schema.org/MediaObject, http://schema.org/Text]
The caption for this object. For downloadable machine formats (closed caption, subtitles etc.) use MediaObject and indicate the {encodingFormat}.
Can be used on: http://schema.org/AudioObject, http://schema.org/ImageObject, http://schema.org/VideoObject
Implementation
static const caption = IriTerm.prevalidated('http://schema.org/caption');