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# setIntersectionFunctionTable(_:bufferIndex:)

Binds an intersection function table to the buffer argument table, making it callable in your Metal shaders.

```
func setIntersectionFunctionTable(_ intersectionFunctionTable: (any MTLIntersectionFunctionTable)?, bufferIndex: Int)
```

## Parameters

`intersectionFunctionTable`

The [`MTLIntersectionFunctionTable`](/documentation/Metal/MTLIntersectionFunctionTable) to bind.

`bufferIndex`

The index in the buffer argument table the intersection function table binds to.

## Discussion

---

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