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# expirationDate

The date after which the specified ride options are no longer valid.

```
var expirationDate: Date? { get set }
```

## Discussion

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 [`INListRideOptionsIntent`](/documentation/Intents/INListRideOptionsIntent) 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 `nil`.

---

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