Source: Schema.org v30.1 vocabulary. Official language property definition.
What does language mean?
A sub property of instrument. The language used on this action.
Parent properties
Superseded: Prefer inLanguage where appropriate. Verify with the official source.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status