---
title: primitiveDataElementSize
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlaccelerationstructuregeometrydescriptor/primitivedataelementsize
---

# primitiveDataElementSize

## Declaration

```swift
var primitiveDataElementSize: Int { get set }
```

## Mentioned in

Improving ray-tracing data access using per-primitive data