---
title: Object ID
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/object_id_atom/object_id
---

# Object ID

A 32-bit integer identifying the object.

## See Also

### Data fields

- [Size](quicktime-file-format/object_id_atom/size.md)
- [Type](quicktime-file-format/object_id_atom/type.md)