Source: Schema.org v30.1 vocabulary. Official validFor property definition.
What does validFor mean?
The duration of validity of a permit or similar thing.
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