The date after which the specified ride options are no longer valid.
- iOS 10.0+
- Mac Catalyst 13.0+
- watchOS 3.2+
Use this property to specify when the ride options may become invalid. If the user does not select a ride option within the specified expiration date, SiriKit may send a new
INList object to your handler before letting the user choose an option.
If you do not set a value for this property, the ride options do not expire automatically. The system does not necessarily cache ride options until the expiration date. It keeps a reference to them only while the user is viewing them, and may request an updated set of options at any time. Any explicit user request for a list of ride options always results in fresh calls to your handler object to provide that information.
The default value of this property is