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# DeviceActivityData.ApplicationActivity

Activity data for an application.

```
struct ApplicationActivity
```

## Topics

### Identifying the application

[`var application: Application`](/documentation/DeviceActivity/DeviceActivityData/ApplicationActivity/application)

Access the application that accumulated the activity.

### Measuring activity

[`var totalActivityDuration: TimeInterval`](/documentation/DeviceActivity/DeviceActivityData/ApplicationActivity/totalActivityDuration)

Access the total activity time for this application.

### Tracking usage

[`var numberOfPickups: Int`](/documentation/DeviceActivity/DeviceActivityData/ApplicationActivity/numberOfPickups)

Access the number of pickups made directly to the application.

[`var numberOfNotifications: Int`](/documentation/DeviceActivity/DeviceActivityData/ApplicationActivity/numberOfNotifications)

Access the number of notifications made by the application.

## Relationships

### Conforms To

[`Equatable`](/documentation/Swift/Equatable)

[`Hashable`](/documentation/Swift/Hashable)

---

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