---
title: MPSCustomKernelIndexSrc3Index
framework: metalperformanceshaders
role: symbol
role_heading: Global Variable
path: metalperformanceshaders/mpscustomkernelindexsrc3index
---

# MPSCustomKernelIndexSrc3Index

## Declaration

```swift
var MPSCustomKernelIndexSrc3Index: MPSCustomKernelIndex { get }
```