---
title: faceYawAngle
framework: dockkit
role: symbol
role_heading: Instance Property
path: dockkit/dockaccessory/observation/faceyawangle
---

# faceYawAngle

The angle of the face in radians.

## Declaration

```swift
let faceYawAngle: Measurement<UnitAngle>?
```

## Discussion

Discussion A value of 0 indicates the face of the subject in the frame is looking directly at the camera. A negative value indicates the subject’s face is oriented to the left, while positive value indicates the face is oriented to the right.

## See Also

### Getting properties

- [rect](dockkit/dockaccessory/observation/rect.md)
- [type](dockkit/dockaccessory/observation/type.md)
- [identifier](dockkit/dockaccessory/observation/identifier.md)