---
title: MTLVertexFormat.char3
framework: metal
role: symbol
role_heading: Case
path: metal/mtlvertexformat/char3
---

# MTLVertexFormat.char3

A three-component vector with 8-bit, signed integer values.

## Declaration

```swift
case char3
```

## See Also

### 8-bit integer formats

- [MTLVertexFormat.char](metal/mtlvertexformat/char.md)
- [MTLVertexFormat.char2](metal/mtlvertexformat/char2.md)
- [MTLVertexFormat.char4](metal/mtlvertexformat/char4.md)
- [MTLVertexFormat.uchar](metal/mtlvertexformat/uchar.md)
- [MTLVertexFormat.uchar2](metal/mtlvertexformat/uchar2.md)
- [MTLVertexFormat.uchar3](metal/mtlvertexformat/uchar3.md)
- [MTLVertexFormat.uchar4](metal/mtlvertexformat/uchar4.md)