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# mapView(_:didChange:animated:)

Tells the delegate when the user-tracking mode changes.

```
optional func mapView(_ mapView: MKMapView, didChange mode: MKUserTrackingMode, animated: Bool)
```

## Parameters

`mapView`

The map view where the user-tracking mode changes.

`mode`

The mode to use for tracking the user’s location.

`animated`

If <doc://com.apple.documentation/documentation/Swift/true>, the map animates the change from the current mode to the new mode; otherwise, the map doesn’t animate the change. This parameter affects only tracking-mode changes. The map animates all changes to the user’s location and heading.

## See Also

[`setUserTrackingMode(_:animated:)`](/documentation/MapKit/MKMapView/setUserTrackingMode(_:animated:))

Sets the mode to use for tracking the user’s location, with optional animation.


---

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