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# pointerInteraction(_:willEnter:animator:)

Informs the delegate when the pointer enters a given region.

```
optional func pointerInteraction(_ interaction: UIPointerInteraction, willEnter region: UIPointerRegion, animator: any UIPointerInteractionAnimating)
```

## Parameters

`interaction`

This [`UIPointerInteraction`](/documentation/UIKit/UIPointerInteraction).

`region`

The [`UIPointerRegion`](/documentation/UIKit/UIPointerRegion) that represents the entire surface of the interaction’s view.

`animator`

The animator the framework runs when the pointer enters the region. Add animations to run them alongside the pointer’s entrance animation.

---

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