---
title: transferFunction
framework: corevideo
role: symbol
role_heading: Type Property
path: corevideo/cvimagebufferattachmentkeydefinitions/transferfunction
---

# transferFunction

The transfer characteristic for the image buffer.

## Declaration

```swift
static var transferFunction: CVAttachmentKeyDefinition<Self.ShouldPropagate, CVImageTransferFunction> { get }
```