Source: Schema.org v30.1 vocabulary. Official data property definition.
What does data mean?
Data associated with the event, like for instance a log message.
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