---
title: ImpulseAction
framework: usd
role: collectionGroup
path: usd/impulseaction
---

# ImpulseAction

An action that adds velocity to an prim.

## Overview

Overview Use this action to speed up, slow down, or throw a stationary prim. Declaration class Preliminary_Action "ImpulseAction"

## Topics

### Properties

- [info:id](usd/info-id.md)
- [affectedObjects](usd/affectedobjects.md)
- [velocity](usd/velocity.md)

## See Also

### Actions

- [Preliminary_Action](usd/preliminary-action.md)
- [AudioAction](usd/audioaction.md)
- [ChangeSceneAction](usd/changesceneaction.md)
- [EmphasizeAction](usd/emphasizeaction.md)
- [GroupAction](usd/groupaction.md)
- [LookAtCameraAction](usd/lookatcameraaction.md)
- [OrbitAction](usd/orbitaction.md)
- [SpinAction](usd/spinaction.md)
- [StartAnimationAction](usd/startanimationaction.md)
- [TransformAction](usd/transformaction.md)
- [TransformAnimationAction](usd/transformanimationaction.md)
- [VisibilityAction](usd/visibilityaction.md)
- [WaitAction](usd/waitaction.md)
- [NotificationAction](usd/notificationaction.md)