---
title: buffer
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlmotionkeyframedata/buffer
---

# buffer

The buffer that holds the geometry data.

## Declaration

```swift
var buffer: (any MTLBuffer)? { get set }
```

## See Also

### Specifying the keyframe data

- [offset](metal/mtlmotionkeyframedata/offset.md)