---
title: MPSFunctionConstant
framework: metalperformanceshaders
role: symbol
role_heading: Type Alias
path: metalperformanceshaders/mpsfunctionconstant
---

# MPSFunctionConstant

## Declaration

```swift
typealias MPSFunctionConstant = Int64
```

## See Also

### Data Types

- [MPSAccelerationStructureCompletionHandler](metalperformanceshaders/mpsaccelerationstructurecompletionhandler.md)
- [MPSAxisAlignedBoundingBox](metalperformanceshaders/mpsaxisalignedboundingbox-swift.typealias.md)
- [MPSDeviceCaps](metalperformanceshaders/mpsdevicecaps.md)
- [MPSFunctionConstantInMetal](metalperformanceshaders/mpsfunctionconstantinmetal.md)
- [MPSGradientNodeBlock](metalperformanceshaders/mpsgradientnodeblock.md)