---
title: commentAtomID
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/node_header_atom/commentatomid
---

# commentAtomID

The ID of the string atom that contains a comment for the node.

## Overview

Overview This atom should be a sibling of the node header atom. The value of this field is 0 if no comment string atom exists.

## See Also

### Data fields

- [majorVersion](quicktime-file-format/node_header_atom/majorversion.md)
- [minorVersion](quicktime-file-format/node_header_atom/minorversion.md)
- [nodeType](quicktime-file-format/node_header_atom/nodetype.md)
- [nodeID](quicktime-file-format/node_header_atom/nodeid.md)
- [nameAtomID](quicktime-file-format/node_header_atom/nameatomid.md)
- [reserved1](quicktime-file-format/node_header_atom/reserved1.md)
- [reserved2](quicktime-file-format/node_header_atom/reserved2.md)