# Face

The `Face` class exposes details of a tracked face.

### Properties

| Property          | Description                                                                                                                                                                                                                                                                                                                       |
| ----------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `cameraTransform` | <p>Specifies a <code>TransformSignal</code> object describing the face transformation relative to camera coordinate system.</p><p><strong>Note</strong>: <code>cameraTransform.applyTo(point)</code>, where <code>point</code> is a point in face local coordinate system, returns a point in camera local coordinate system.</p> |
| `chin`            | Specifies a `Chin` object describing the attributes of the chin.                                                                                                                                                                                                                                                                  |
| `forehead`        | Specifies a `Forehead` object describing the attributes of the forehead.                                                                                                                                                                                                                                                          |
| `id`              | <p>Specifies a <code>StringSignal</code> containing the unique ID assigned to a face. An ID is generated every time a face is detected and tracked in the scene.</p><p>When a face is lost and then tracked again, a new ID is generated even if it is the same person.</p>                                                       |
| `isTracked`       | <p>A <code>boolSignal</code> indicating whether the face was tracked this frame.</p><p>If the face was not tracked, other properties represent the most recent tracked frame.</p>                                                                                                                                                 |
| `leftCheek`       | Specifies a `Cheek` object describing the attributes of the left cheek.                                                                                                                                                                                                                                                           |
| `leftEye`         | Specifies an `Eye` object describing the attributes of the left eye.                                                                                                                                                                                                                                                              |
| `leftEyebrow`     | Specifies an `Eyebrow` object describing the attributes of the left eyebrow.                                                                                                                                                                                                                                                      |
| `mouth`           | Specifies a `Mouth` object describing the attributes of the mouth.                                                                                                                                                                                                                                                                |
| `nose`            | Specifies a `Nose` object describing the attributes of the nose.                                                                                                                                                                                                                                                                  |
| `rightCheek`      | Specifies a `Cheek` object describing the attributes of the right cheek.                                                                                                                                                                                                                                                          |
| `rightEye`        | Specifies an `Eye` object describing the attributes of the right eye.                                                                                                                                                                                                                                                             |
| `rightEyebrow`    | Specifies an `Eyebrow` object describing the attributes of the right eyebrow.                                                                                                                                                                                                                                                     |

### Methods

| Method  | Description                                                                                                                                                                                                                                                                                              |
| ------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `point` | <p>Returns a <code>PointSignal</code> object representing a point in the face local coordinate system that corresponds to a UV point on the facial mesh texture map.</p><p><strong>See Also</strong>: <code>Face.cameraTransform</code> to convert the point to the coordinate system of the camera.</p> |