---
title: type
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlfunctionconstant/type
---

# type

The data type of the function constant.

## Declaration

```swift
var type: MTLDataType { get }
```

## See Also

### Reading the function constant’s properties

- [name](metal/mtlfunctionconstant/name.md)
- [index](metal/mtlfunctionconstant/index.md)
- [required](metal/mtlfunctionconstant/required.md)