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# default

A behavior that matches the activity to a scene using the
identifier of your activity object.

```
static let `default`: SceneAssociationBehavior
```

## Discussion

With this option, the system uses the string in the [`activityIdentifier`](/documentation/GroupActivities/GroupActivity/activityIdentifier)
property of your [`GroupActivity`](/documentation/GroupActivities/GroupActivity) object to locate an appropriate scene.
Choose this option if your app has only one scene, or if you always use
the same scene to display the intended activity.

---

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