subTrip
A Schema.org Property
This term is in the "new" area - implementation feedback and adoption from applications and websites can help improve our definitions.
Identifies a
Trip that is a subTrip of this Trip. For example Day 1, Day 2, etc. of a multi-day trip.
Inverse-property:
partOfTrip
Values expected to be one of these types
Source
https://github.com/schemaorg/schemaorg/issues/1810