---
title: primitiveDataBuffer
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlaccelerationstructuregeometrydescriptor/primitivedatabuffer
---

# primitiveDataBuffer

## Declaration

```swift
var primitiveDataBuffer: (any MTLBuffer)? { get set }
```

## Mentioned in

Improving ray-tracing data access using per-primitive data