---
title: "init(title:description:defaultValue:defaultUnit:defaultUnitAdjustForLocale:supportsNegativeNumbers:requestValueDialog:inputConnectionBehavior:)"
framework: appintents
role: symbol
role_heading: Initializer
path: "appintents/intentparameter/init(title:description:defaultvalue:defaultunit:defaultunitadjustforlocale:supportsnegativenumbers:requestvaluedialog:inputconnectionbehavior:)-98i2y"
---

# init(title:description:defaultValue:defaultUnit:defaultUnitAdjustForLocale:supportsNegativeNumbers:requestValueDialog:inputConnectionBehavior:)

Creates an app intent parameter with a default unit for the measurement.

## Declaration

```swift
convenience init(title: LocalizedStringResource, description: LocalizedStringResource? = nil, defaultValue: Double? = nil, defaultUnit: IntentParameter<Value>.Length? = nil, defaultUnitAdjustForLocale: Bool = false, supportsNegativeNumbers: Bool = true, requestValueDialog: IntentDialog? = nil, inputConnectionBehavior: InputConnectionBehavior = .default)
```

## Parameters

- `title`: A word or short phrase summarizing this parameter.
- `description`: Additional details about this parameter.
- `defaultValue`: The default value for this parameter. People can specify a different value.
- `defaultUnit`: The default unit that should be selected when this parameter is initially created.
- `defaultUnitAdjustForLocale`: Whether or not the default unit should adjust to match someone’s locale. Default value is false.
- `supportsNegativeNumbers`: Whether or not this parameter supports negative number inputs. Default value is true.
- `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.

## See Also

### Creating an intent parameter

- [init(title:description:defaultValue:defaultUnit:defaultUnitAdjustForLocale:supportsNegativeNumbers:requestValueDialog:inputConnectionBehavior:resolvers:)](appintents/intentparameter/init(title:description:defaultvalue:defaultunit:defaultunitadjustforlocale:supportsnegativenumbers:requestvaluedialog:inputconnectionbehavior:resolvers:)-638xv.md)
- [init(title:description:defaultValue:unit:unitAdjustForLocale:supportsNegativeNumbers:requestValueDialog:inputConnectionBehavior:)](appintents/intentparameter/init(title:description:defaultvalue:unit:unitadjustforlocale:supportsnegativenumbers:requestvaluedialog:inputconnectionbehavior:)-78oc1.md)
- [init(title:description:defaultValue:unit:unitAdjustForLocale:supportsNegativeNumbers:requestValueDialog:inputConnectionBehavior:resolvers:)](appintents/intentparameter/init(title:description:defaultvalue:unit:unitadjustforlocale:supportsnegativenumbers:requestvaluedialog:inputconnectionbehavior:resolvers:)-qevc.md)
- [init(title:description:requestValueDialog:inputConnectionBehavior:optionsProvider:)](appintents/intentparameter/init(title:description:requestvaluedialog:inputconnectionbehavior:optionsprovider:)-1o4j9.md)
- [init(title:description:requestValueDialog:inputConnectionBehavior:resolvers:optionsProvider:)](appintents/intentparameter/init(title:description:requestvaluedialog:inputconnectionbehavior:resolvers:optionsprovider:)-3wceb.md)