---
title: intersectionFunctionTableOffset
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlaccelerationstructuregeometrydescriptor/intersectionfunctiontableoffset
---

# intersectionFunctionTableOffset

An index into the intersection table for determining which intersection function Metal calls when it intersects a ray with the acceleration structure.

## Declaration

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

## See Also

### Specifying base geometry properties

- [label](metal/mtlaccelerationstructuregeometrydescriptor/label.md)
- [opaque](metal/mtlaccelerationstructuregeometrydescriptor/opaque.md)
- [allowDuplicateIntersectionFunctionInvocation](metal/mtlaccelerationstructuregeometrydescriptor/allowduplicateintersectionfunctioninvocation.md)