Source: Schema.org v30.1 vocabulary. Official free property definition.
What does free mean?
A flag to signal that the item, event, or place is accessible for free.
Superseded: Prefer isAccessibleForFree where appropriate.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