> For the complete documentation index, see [llms.txt](https://sparkar-community.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sparkar-community.gitbook.io/docs/iristrackingmodule/eyeball.md).

# Eyeball

The `Eyeball` class exposes details of a tracked eyeball.

## Properties

| Property   | Description                                                                                                                                                                                                                                                                                                 |
| ---------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `center`   | <p><code>(get) center: PointSignal (set) (Not Available)</code></p><p>Specifies the 3D position of the center point of the eyeball in the face local coordinate system.</p><p><strong>See Also</strong>: <code>Face.cameraTransform</code> to convert the point to the coordinate system of the camera.</p> |
| `iris`     | <p><code>(get) iris: PointSignal (set) (Not Available)</code></p><p>Specifies the 3D position of the center point of the iris in the face local coordinate system.</p><p><strong>See Also</strong>: <code>Face.cameraTransform</code> to convert the point to the coordinate system of the camera.</p>      |
| `rotation` | <p><code>(get) rotation: RotationSignal (set) (Not Available)</code></p><p>Specifies the rotation of the eyeball around its center.</p>                                                                                                                                                                     |

## Methods

This module exposes no methods.