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# mapView(_:regionDidChangeAnimated:)

Tells the delegate when the region the map view is displaying changes.

```
optional func mapView(_ mapView: MKMapView, regionDidChangeAnimated animated: Bool)
```

## Parameters

`mapView`

The map view with the visible region that changes.

`animated`

If <doc://com.apple.documentation/documentation/Swift/true>, the map view animates the change to the new region.

## Discussion

The map view calls this method at the end of a change to the map’s visible region.

---

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