---
title: "init(_:)"
framework: realitykit
role: symbol
role_heading: Initializer
path: "realitykit/clothbodycomponent/externalforce/init(_:)"
---

# init(_:)

Creates an external force with the given force vector.

## Declaration

```swift
init(_ vector: SIMD3<Float>)
```

## Parameters

- `vector`: The force vector, in Newtons.
