Source: Schema.org v30.1 vocabulary. Official subTrip property definition.
What does subTrip mean?
Identifies a [[Trip]] that is a subTrip of this Trip. For example Day 1, Day 2, etc. of a multi-day trip.
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