Returns the value for the derived property identified by a given key path.
- iOS 2.0+
- macOS 10.0+
- tvOS 9.0+
- watchOS 2.0+
A key path of the form relationship.property (with one or more relationships); for example “department.name” or “department.manager.lastName”.
The value for the derived property identified by
The default implementation gets the destination object for each relationship using
value(for and returns the result of a
value(for message to the final object.