<!--
{
  "documentType" : "article",
  "framework" : "USD",
  "identifier" : "/documentation/USD/emphasizeaction",
  "metadataVersion" : "0.1.0",
  "role" : "collectionGroup",
  "title" : "EmphasizeAction"
}
-->

# EmphasizeAction

An action that performs an animation to call attention to an object.

## Discussion

Instead of specifying your own animation, choose from the preexisting options in [motionType](/documentation/USD/motiontype).

### Declaration

```other
class Preliminary_Action "EmphasizeAction"
```

## Topics

### Properties

[info:id](/documentation/USD/info-id)

The action’s unique identifier.

[affectedObjects](/documentation/USD/affectedobjects)

A list of prims that respond to the notification.

[duration](/documentation/USD/duration)

The amount of time that the objects face the camera.

[style](/documentation/USD/style)

An option that implements different kinds of animation timing.

[motionType](/documentation/USD/motiontype)

An option that determines how the action displays or hides a prim.


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)