Source: Schema.org v30.1 vocabulary. Official valueGroup property definition.
What does valueGroup mean?
A header or section name for grouping related property values.
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