---
title: NotificationTrigger
framework: usd
role: collectionGroup
path: usd/notificationtrigger
---

# NotificationTrigger

A trigger that fires when an app posts a notification.

## Overview

Overview This class enables an asset to fire a trigger as indicated by an app. The app defines the criteria for when the runtime executes the trigger’s action. Declaration class Preliminary_Trigger "NotificationTrigger"

## Topics

### Properties

- [info:id](usd/info-id.md)
- [identifier](usd/identifier.md)

## See Also

### Triggers

- [Preliminary_Trigger](usd/preliminary-trigger.md)
- [CollideTrigger](usd/collidetrigger.md)
- [ProximityToCameraTrigger](usd/proximitytocameratrigger.md)
- [SceneTransitionTrigger](usd/scenetransitiontrigger.md)
- [TapGestureTrigger](usd/tapgesturetrigger.md)