---
title: "init(targetEntity:linearImpulse:)"
framework: realitykit
role: symbol
role_heading: Initializer
path: "realitykit/impulseaction/init(targetentity:linearimpulse:)"
---

# init(targetEntity:linearImpulse:)

Creates a new impulse action.

## Declaration

```swift
init(targetEntity: ActionEntityResolution = .sourceEntity, linearImpulse: SIMD3<Float> = [0, 1, 0])
```

## Parameters

- `targetEntity`: The entity that the impulse acts upon.
- `linearImpulse`: The impulse in newton seconds (in physics simulation space).