---
title: behavior
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uiusernotificationaction/behavior
---

# behavior

The custom behavior (if any) that the action supports.

## Declaration

```swift
var behavior: UIUserNotificationActionBehavior { get }
```

## Discussion

Discussion The default value of this property is UIUserNotificationActionBehavior.default.

## See Also

### Getting the action’s configuration

- [activationMode](uikit/uiusernotificationaction/activationmode.md)
- [isAuthenticationRequired](uikit/uiusernotificationaction/isauthenticationrequired.md)
- [isDestructive](uikit/uiusernotificationaction/isdestructive.md)
- [parameters](uikit/uiusernotificationaction/parameters.md)