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

# parameters

A dictionary of additional parameters to include with the action.

## Declaration

```swift
var parameters: [AnyHashable : Any] { get }
```

## Discussion

Discussion Use this dictionary to specify any behavior-specific data for the action. For example, the UIUserNotificationActionBehavior.textInput behavior supports the UIUserNotificationTextInputActionButtonTitleKey key, which lets you customize the title of the button displayed by the text input interface.

## See Also

### Getting the action’s configuration

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