Source: Schema.org v30.1 vocabulary. Official aggregateElement property definition.
What does aggregateElement mean?
Indicates a prototype of the elements in the list that is used to hold aggregate information (ratings, offers, etc.).
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