---
title: CMMCreateTransformPropertyProc
framework: colorsync
role: symbol
role_heading: Type Alias
platforms: [Mac Catalyst 13.0+, macOS 10.13+]
path: colorsync/cmmcreatetransformpropertyproc
---

# CMMCreateTransformPropertyProc

A function a CMM provider implements to create a transform property for a given key.

## Declaration

```swift
typealias CMMCreateTransformPropertyProc = (ColorSyncTransform?, CFTypeRef?, CFDictionary?) -> Unmanaged<CFTypeRef>?
```

## See Also

### Implementing CMM callbacks

- [ColorSyncCMMIterateCallback](colorsync/colorsynccmmiteratecallback.md)
- [CMMApplyTransformProc](colorsync/cmmapplytransformproc.md)
- [CMMInitializeLinkProfileProc](colorsync/cmminitializelinkprofileproc.md)
- [CMMInitializeTransformProc](colorsync/cmminitializetransformproc.md)