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# NotificationAction

An action that sends a custom notification to an app.

## Discussion

Use this action to perform an app-provided operation on a list of prims.

When this action executes, it posts a notification for which a custom app scans to perform a specific operation.

### Declaration

```other
class Preliminary_Action "NotificationAction"
```

## 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.

[identifier](/documentation/USD/identifier)

A string value that identifies the app-specific notification.


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