---
title: "addHoverEffect(_:)"
framework: compositorservices
role: symbol
role_heading: Instance Method
path: "compositorservices/layerrenderer/drawable/trackingarea/addhovereffect(_:)"
---

# addHoverEffect(_:)

Add an hover effect for this tracking area. No hover effect will be rendered if this isn’t called.

## Declaration

```swift
func addHoverEffect(_ effect: LayerRenderer.Drawable.TrackingArea.HoverEffect)
```