---
title: kTweenType
framework: quicktime-file-format
role: symbol
role_heading: Atom
path: quicktime-file-format/ktweentype
---

# kTweenType

An atom that specifies the tween type, which is the data type of the data for the tween operation.

## Overview

Overview Its parent atom is a kTweenEntry atom. A kTweenEntry atom can contain only one kTweenType atom. The ID of this atom is always 1. The index of this atom is always 1. This atom is a leaf atom. The data type of its data is OSType. This atom is required.

## See Also

### General tween atoms

- [kTweenEntry](quicktime-file-format/ktweenentry.md)
- [kTweenStartOffset](quicktime-file-format/ktweenstartoffset.md)
- [kTweenDuration](quicktime-file-format/ktweenduration.md)
- [kTweenData](quicktime-file-format/ktweendata.md)
- [kNameAtom](quicktime-file-format/knameatom.md)