---
title: Type
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/track_input_atom/type
---

# Type

A 32-bit integer that identifies the atom type.

## Overview

Overview This field must be set to ' in' (note that the two leading bytes must be set to 0x00).

## See Also

### Data fields

- [Size](quicktime-file-format/track_input_atom/size.md)
- [Atom ID](quicktime-file-format/track_input_atom/atom_id.md)
- [Reserved](quicktime-file-format/track_input_atom/reserved.md)
- [Child count](quicktime-file-format/track_input_atom/child_count.md)
- [Reserved](quicktime-file-format/track_input_atom/reserved_2.md)
- [Input type atom](quicktime-file-format/track_input_atom/input_type_atom.md)
- [Object ID atom](quicktime-file-format/track_input_atom/object_id_atom.md)