Source: Schema.org v30.1 vocabulary. Official requiresSubscription property definition.
What does requiresSubscription mean?
Indicates if use of the media require a subscription (either paid or free). Allowed values are ```true``` or ```false``` (note that an earlier version had 'yes', 'no').
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