---
title: MPSGraphPoolingReturnIndicesMode.localFlatten1D
framework: metalperformanceshadersgraph
role: symbol
role_heading: Case
path: metalperformanceshadersgraph/mpsgraphpoolingreturnindicesmode/localflatten1d
---

# MPSGraphPoolingReturnIndicesMode.localFlatten1D

Returns indices within pooling window, flattened in inner most dimension.

## Declaration

```swift
case localFlatten1D
```