---
title: kMDItemWhiteBalance
framework: coreservices
role: symbol
role_heading: Global Variable
path: coreservices/kmditemwhitebalance
---

# kMDItemWhiteBalance

The white balance setting used to acquire the document contents. Possible values are 0 (auto white balance) and 1 (manual). A CFNumber.

## Declaration

```swift
let kMDItemWhiteBalance: CFString!
```