---
title: CMAppleProfileHeader
framework: Application Services
role: symbol
role_heading: Union
platforms: [macOS 10.0+]
path: applicationservices/1560290-cmappleprofileheader
---

# CMAppleProfileHeader

Defines a data structure to provide access to both version 2.x and version 1.0 profiles, as specified by the International Color Consortium.

## Declaration

```occ
typedef union CMAppleProfileHeader {
    ...
} CMAppleProfileHeader;
```

## Discussion

The ColorSync Manager defines the `CMAppleProfileHeader` structure to provide access to both version 2.x and version 1.0 profiles, as specified by the International Color Consortium. To obtain a copy of the International Color Consortium Profile Format Specification, or to get other information about the ICC, visit the ICC Web site at [http://www.color.org/](../link-1670407.md).

## Topics

### Fields

- [cm2](1560290-cmappleprofileheader/1560384-cm2.md)
- [cm4](1560290-cmappleprofileheader/1560107-cm4.md)