core + legal ():

inLanguage

Thing > Property > inLanguage

The language of the content or performance or used in an action. Please use one of the language codes from the IETF BCP 47 standard. See also availableLanguage.

Usage: Between 250,000 and 500,000 domains
Values expected to be one of these types
Language
Text
Used on these types
CommunicateAction
CreativeWork
Event
Legislation
WriteAction
Used on types defined in extensions
LinkRole - defined in the pending extension
Supersedes
language

Schema Version 3.2