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# LayerRenderer.Drawable.TrackingArea

```
struct TrackingArea
```

## Topics

### Structures

[`struct HoverEffect`](/documentation/CompositorServices/LayerRenderer/Drawable/TrackingArea/HoverEffect)

Hover effect that will be automatically rendered by
CompositorServices, when the area is looked at.

[`struct Identifier`](/documentation/CompositorServices/LayerRenderer/Drawable/TrackingArea/Identifier-swift.struct)

An identifier for the tracking area.

[`struct RenderValue`](/documentation/CompositorServices/LayerRenderer/Drawable/TrackingArea/RenderValue-swift.struct)

A value used when rendering a tracking area.

### Initializers

[`init()`](/documentation/CompositorServices/LayerRenderer/Drawable/TrackingArea/init())

### Instance Properties

[`var identifier: LayerRenderer.Drawable.TrackingArea.Identifier`](/documentation/CompositorServices/LayerRenderer/Drawable/TrackingArea/identifier-swift.property)

Returns the identifier for the tracking area.

[`var renderValue: LayerRenderer.Drawable.TrackingArea.RenderValue`](/documentation/CompositorServices/LayerRenderer/Drawable/TrackingArea/renderValue-swift.property)

Returns the render value for the tracking area.

### Instance Methods

[`func addHoverEffect(LayerRenderer.Drawable.TrackingArea.HoverEffect)`](/documentation/CompositorServices/LayerRenderer/Drawable/TrackingArea/addHoverEffect(_:))

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

## Relationships

### Conforms To

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

---

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