---
title: samplePositions
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtl4renderpassdescriptor/samplepositions
---

# samplePositions

Configures the custom sample positions to use in MSAA rendering.

## Declaration

```swift
var samplePositions: [MTLSamplePosition] { get set }
```

## Discussion

Discussion Set to an empty array to disable custom sample positions.