---
title: "init(description:default:supportedContentTypes:requestValueDialog:inputConnectionBehavior:)"
framework: appintents
role: symbol
role_heading: Initializer
path: "appintents/intentparameter/init(description:default:supportedcontenttypes:requestvaluedialog:inputconnectionbehavior:)"
---

# init(description:default:supportedContentTypes:requestValueDialog:inputConnectionBehavior:)

Creates an app intent parameter.

## Declaration

```swift
convenience init(description: LocalizedStringResource? = nil, default defaultValue: Value.UnwrappedType? = nil, supportedContentTypes: [UTType] = [UTType.item], requestValueDialog: IntentDialog? = nil, inputConnectionBehavior: InputConnectionBehavior = .default)
```

## Parameters

- `description`: Additional details about this parameter.
- `defaultValue`: The default value for this parameter. People can specify a different value.
- `supportedContentTypes`: A list of selectable content types for this []. The default value is ‘public.item’.
- `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.