core + meta (Meta Extension): terms used within schema.org for schema definitions.

availableLanguage

Canonical URL: http://schema.org/availableLanguage

Thing > Property > availableLanguage

A language someone may use with or at the item, service or place. Please use one of the language codes from the IETF BCP 47 standard. See also inLanguage

Usage: Between 1000 and 10,000 domains
Values expected to be one of these types
Language
Text
Used on these types
ContactPoint
LodgingBusiness
ServiceChannel
TouristAttraction

Schema Version 3.3