Source: Schema.org v30.1 vocabulary. Official multipleValues property definition.
What does multipleValues mean?
Whether multiple values are allowed for the property. Default is false.
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