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# staleDate

The date when the system considers the Live Activity to be
out of date.

```
let staleDate: Date?
```

## Discussion

When time reaches the configured stale date, the system considers the
Live Activity out of date, and the [`ActivityState`](/documentation/ActivityKit/ActivityState) of the
Live Activity changes to [`ActivityState.stale`](/documentation/ActivityKit/ActivityState/stale).

---

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