---
title: fFrameListBufferCookie
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.2+]
path: iokit/iousblowlatencyisocstruct/1425383-fframelistbuffercookie
---

# fFrameListBufferCookie

## Declaration

```occ
UInt32 fFrameListBufferCookie;
```