---
title: "init(description:defaultUnit:requestValueDialog:inputConnectionBehavior:optionsProvider:)"
framework: appintents
role: symbol
role_heading: Initializer
path: "appintents/intentparameter/init(description:defaultunit:requestvaluedialog:inputconnectionbehavior:optionsprovider:)"
---

# init(description:defaultUnit:requestValueDialog:inputConnectionBehavior:optionsProvider:)

Creates an app intent parameter with a list of selectable options.

## Declaration

```swift
convenience init<OptionsProvider>(description: LocalizedStringResource? = nil, defaultUnit: IntentParameter<Value>.DurationUnit? = nil, requestValueDialog: IntentDialog? = nil, inputConnectionBehavior: InputConnectionBehavior = .default, optionsProvider: OptionsProvider) where OptionsProvider : DynamicOptionsProvider, OptionsProvider.DefaultValue.ValueType == Duration
```

## Parameters

- `description`: Additional details about this parameter.
- `defaultUnit`: The default unit that should be selected when this parameter is initially created.
- `requestValueDialog`: A prompt that asks a person to provide the parameter value.
- `inputConnectionBehavior`: An enum that indicates how this parameter receives the output from a preceding app intent.
- `optionsProvider`: An object that determines selectable options for this parameter.