Source: Schema.org v30.1 vocabulary. Official referee property definition.
What does referee mean?
An official who watches a game or match closely to enforce the rules and arbitrate on matters arising from the play such as referees, umpires or judges. The name of the effective function can vary according to the sport.
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