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RegistrationExtensionsWithMetadataTLimit, TScanningActivatorData, TRegistrationStyle Method (IRegistrationBuilderTLimit, TScanningActivatorData, TRegistrationStyle, String, FuncType, Object)

Specify how a type from a scanned assembly provides metadata.

Namespace:  Autofac
Assembly:  Autofac (in Autofac.dll) Version: 6.0.0+39696a967e8826f7f1ebc8c1ff4523c9dd75abe0
public static IRegistrationBuilder<TLimit, TScanningActivatorData, TRegistrationStyle> WithMetadata<TLimit, TScanningActivatorData, TRegistrationStyle>(
	this IRegistrationBuilder<TLimit, TScanningActivatorData, TRegistrationStyle> registration,
	string metadataKey,
	Func<Type, Object> metadataValueMapping
where TScanningActivatorData : ScanningActivatorData


Type: Autofac.BuilderIRegistrationBuilderTLimit, TScanningActivatorData, TRegistrationStyle
Registration to set service mapping on.
Type: SystemString
Key of the metadata item.
Type: SystemFuncType, Object
A function retrieving the value of the item from the component type.

Type Parameters

Registration limit type.
Activator data type.
Registration style.

Return Value

Type: IRegistrationBuilderTLimit, TScanningActivatorData, TRegistrationStyle
Registration builder allowing the registration to be configured.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IRegistrationBuilderTLimit, TScanningActivatorData, TRegistrationStyle. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also