---
title: tongueOut
framework: arkit
role: symbol
role_heading: Type Property
path: arkit/arfaceanchor/blendshapelocation/tongueout
---

# tongueOut

The coefficient describing extension of the tongue.

## Declaration

```swift
static let tongueOut: ARFaceAnchor.BlendShapeLocation
```

## Discussion

Discussion A value of 0.0 indicates that the tongue is fully inside the mouth; a value of 1.0 indicates that the tongue is as far out of the mouth as ARKit tracks.