---
title: "init(argumentIndex:)"
framework: metal
role: symbol
role_heading: Initializer
path: "metal/mtlfunctionstitchinginputnode/init(argumentindex:)"
---

# init(argumentIndex:)

Creates a new input node.

## Declaration

```swift
init(argumentIndex argument: Int)
```

## Parameters

- `argument`: The index of the parameter in the stitched function’s parameter list. The first parameter is 0, the second is 1, and so on.