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

# parameters

A dictionary of additional parameters to include with the action.

## Declaration

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

## Discussion

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

## See Also

### Configuring the action’s behavior

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