---
title: spotExponent
framework: GLKit
role: symbol
role_heading: Instance Property
platforms: [iOS 5.0+, iPadOS 5.0+, macOS 10.8+, tvOS 9.0+]
path: glkit/glkeffectpropertylight/spotexponent
---

# spotExponent

A value indicating how focused the spotlight is.

## Declaration

```swift
var spotExponent: GLfloat { get set }
```

## Discussion

Discussion The higher the value stored in the spotExponent property, the tighter the focus of the spotlight. The default value is 0.0.

## See Also

### Configuring Spotlight Properties

- [spotCutoff](glkit/glkeffectpropertylight/spotcutoff.md)
- [spotDirection](glkit/glkeffectpropertylight/spotdirection.md)