---
title: "setOpaqueCurveIntersectionFunction(signature:index:)"
framework: metal
role: symbol
role_heading: Instance Method
path: "metal/mtlintersectionfunctiontable/setopaquecurveintersectionfunction(signature:index:)"
---

# setOpaqueCurveIntersectionFunction(signature:index:)

## Declaration

```swift
func setOpaqueCurveIntersectionFunction(signature: MTLIntersectionFunctionSignature, index: Int)
```