---
title: hasYawAngle
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avmetadatafaceobject/hasyawangle
---

# hasYawAngle

A Boolean value indicating whether there is a valid yaw angle associated with the face.

## Declaration

```swift
var hasYawAngle: Bool { get }
```

## Discussion

Discussion If the value of this property is false, the value in the yawAngle property is invalid and must not be accessed.

## See Also

### Accessing the face detection data

- [hasRollAngle](avfoundation/avmetadatafaceobject/hasrollangle.md)
- [rollAngle](avfoundation/avmetadatafaceobject/rollangle.md)
- [yawAngle](avfoundation/avmetadatafaceobject/yawangle.md)