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Showing content from https://learn.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.mvc.fromservicesattribute below:

FromServicesAttribute Class (Microsoft.AspNetCore.Mvc) | Microsoft Learn

Specifies that a parameter or property should be bound using the request services.

public ref class FromServicesAttribute : Attribute, Microsoft::AspNetCore::Mvc::ModelBinding::IBindingSourceMetadata

[System.AttributeUsage(System.AttributeTargets.Parameter, AllowMultiple=false, Inherited=true)]
public class FromServicesAttribute : Attribute, Microsoft.AspNetCore.Mvc.ModelBinding.IBindingSourceMetadata

[System.AttributeUsage(System.AttributeTargets.Parameter | System.AttributeTargets.Property, AllowMultiple=false, Inherited=true)]
public class FromServicesAttribute : Attribute, Microsoft.AspNetCore.Http.Metadata.IFromServiceMetadata, Microsoft.AspNetCore.Mvc.ModelBinding.IBindingSourceMetadata

[System.AttributeUsage(System.AttributeTargets.Parameter, AllowMultiple=false, Inherited=true)]
public class FromServicesAttribute : Attribute, Microsoft.AspNetCore.Http.Metadata.IFromServiceMetadata, Microsoft.AspNetCore.Mvc.ModelBinding.IBindingSourceMetadata

[<System.AttributeUsage(System.AttributeTargets.Parameter, AllowMultiple=false, Inherited=true)>]
type FromServicesAttribute = class
    inherit Attribute
    interface IBindingSourceMetadata

[<System.AttributeUsage(System.AttributeTargets.Parameter | System.AttributeTargets.Property, AllowMultiple=false, Inherited=true)>]
type FromServicesAttribute = class
    inherit Attribute
    interface IBindingSourceMetadata
    interface IFromServiceMetadata

[<System.AttributeUsage(System.AttributeTargets.Parameter, AllowMultiple=false, Inherited=true)>]
type FromServicesAttribute = class
    inherit Attribute
    interface IBindingSourceMetadata
    interface IFromServiceMetadata

Public Class FromServicesAttribute
Inherits Attribute
Implements IBindingSourceMetadata

Public Class FromServicesAttribute
Inherits Attribute
Implements IBindingSourceMetadata, IFromServiceMetadata

Inheritance

Attributes

Implements

In this example an implementation of IProductModelRequestService is registered as a service. Then in the GetProduct action, the parameter is bound to an instance of IProductModelRequestService which is resolved from the request services.

[HttpGet]
public ProductModel GetProduct([FromServices] IProductModelRequestService productModelRequest)
{
    return productModelRequest.Value;
}

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