---
title: MPSGraphPoolingReturnIndicesMode.localFlatten4D
framework: metalperformanceshadersgraph
role: symbol
role_heading: Case
path: metalperformanceshadersgraph/mpsgraphpoolingreturnindicesmode/localflatten4d
---

# MPSGraphPoolingReturnIndicesMode.localFlatten4D

Returns indices within pooling window, flattened in 4 innermost dimensions.

## Declaration

```swift
case localFlatten4D
```