# RequestHandlerAttribute<T>

Kind: Class  
Namespace: `Sisk.Core.Routing`  
Assembly: `Sisk.Core.dll`  
Source: https://docs.sisk-framework.org/api/Sisk.Core.Routing.RequestHandlerAttribute-1.html

Specifies that the method or class, when used on this attribute, will instantiate the type and call the [IRequestHandler](https://docs.sisk-framework.org/api/Sisk.Core.Routing.IRequestHandler.md) with given parameters.

```csharp
public class RequestHandlerAttribute<T> : RequestHandlerAttribute where T : IRequestHandler
```

#### Type Parameters

`T` 

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← 
[Attribute](https://learn.microsoft.com/dotnet/api/system.attribute) ← 
[RequestHandlerAttribute](https://docs.sisk-framework.org/api/Sisk.Core.Routing.RequestHandlerAttribute.md) ← 
[RequestHandlerAttribute<T\>](https://docs.sisk-framework.org/api/Sisk.Core.Routing.RequestHandlerAttribute-1.md)

#### Inherited Members

[RequestHandlerAttribute.RequestHandlerType](https://docs.sisk-framework.org/api/Sisk.Core.Routing.RequestHandlerAttribute.RequestHandlerType.md#Sisk_Core_Routing_RequestHandlerAttribute_RequestHandlerType), 
[RequestHandlerAttribute.ConstructorArguments](https://docs.sisk-framework.org/api/Sisk.Core.Routing.RequestHandlerAttribute.ConstructorArguments.md#Sisk_Core_Routing_RequestHandlerAttribute_ConstructorArguments), 
[Attribute.GetCustomAttributes\(MemberInfo, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-memberinfo\-system\-type\)), 
[Attribute.GetCustomAttributes\(MemberInfo, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-memberinfo\-system\-type\-system\-boolean\)), 
[Attribute.GetCustomAttributes\(MemberInfo\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-memberinfo\)), 
[Attribute.GetCustomAttributes\(MemberInfo, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-memberinfo\-system\-boolean\)), 
[Attribute.IsDefined\(MemberInfo, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined\#system\-attribute\-isdefined\(system\-reflection\-memberinfo\-system\-type\)), 
[Attribute.IsDefined\(MemberInfo, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined\#system\-attribute\-isdefined\(system\-reflection\-memberinfo\-system\-type\-system\-boolean\)), 
[Attribute.GetCustomAttribute\(MemberInfo, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute\#system\-attribute\-getcustomattribute\(system\-reflection\-memberinfo\-system\-type\)), 
[Attribute.GetCustomAttribute\(MemberInfo, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute\#system\-attribute\-getcustomattribute\(system\-reflection\-memberinfo\-system\-type\-system\-boolean\)), 
[Attribute.GetCustomAttributes\(ParameterInfo\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-parameterinfo\)), 
[Attribute.GetCustomAttributes\(ParameterInfo, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-parameterinfo\-system\-type\)), 
[Attribute.GetCustomAttributes\(ParameterInfo, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-parameterinfo\-system\-type\-system\-boolean\)), 
[Attribute.GetCustomAttributes\(ParameterInfo, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-parameterinfo\-system\-boolean\)), 
[Attribute.IsDefined\(ParameterInfo, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined\#system\-attribute\-isdefined\(system\-reflection\-parameterinfo\-system\-type\)), 
[Attribute.IsDefined\(ParameterInfo, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined\#system\-attribute\-isdefined\(system\-reflection\-parameterinfo\-system\-type\-system\-boolean\)), 
[Attribute.GetCustomAttribute\(ParameterInfo, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute\#system\-attribute\-getcustomattribute\(system\-reflection\-parameterinfo\-system\-type\)), 
[Attribute.GetCustomAttribute\(ParameterInfo, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute\#system\-attribute\-getcustomattribute\(system\-reflection\-parameterinfo\-system\-type\-system\-boolean\)), 
[Attribute.GetCustomAttributes\(Module, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-module\-system\-type\)), 
[Attribute.GetCustomAttributes\(Module\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-module\)), 
[Attribute.GetCustomAttributes\(Module, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-module\-system\-boolean\)), 
[Attribute.GetCustomAttributes\(Module, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-module\-system\-type\-system\-boolean\)), 
[Attribute.IsDefined\(Module, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined\#system\-attribute\-isdefined\(system\-reflection\-module\-system\-type\)), 
[Attribute.IsDefined\(Module, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined\#system\-attribute\-isdefined\(system\-reflection\-module\-system\-type\-system\-boolean\)), 
[Attribute.GetCustomAttribute\(Module, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute\#system\-attribute\-getcustomattribute\(system\-reflection\-module\-system\-type\)), 
[Attribute.GetCustomAttribute\(Module, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute\#system\-attribute\-getcustomattribute\(system\-reflection\-module\-system\-type\-system\-boolean\)), 
[Attribute.GetCustomAttributes\(Assembly, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-assembly\-system\-type\)), 
[Attribute.GetCustomAttributes\(Assembly, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-assembly\-system\-type\-system\-boolean\)), 
[Attribute.GetCustomAttributes\(Assembly\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-assembly\)), 
[Attribute.GetCustomAttributes\(Assembly, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes\#system\-attribute\-getcustomattributes\(system\-reflection\-assembly\-system\-boolean\)), 
[Attribute.IsDefined\(Assembly, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined\#system\-attribute\-isdefined\(system\-reflection\-assembly\-system\-type\)), 
[Attribute.IsDefined\(Assembly, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined\#system\-attribute\-isdefined\(system\-reflection\-assembly\-system\-type\-system\-boolean\)), 
[Attribute.GetCustomAttribute\(Assembly, Type\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute\#system\-attribute\-getcustomattribute\(system\-reflection\-assembly\-system\-type\)), 
[Attribute.GetCustomAttribute\(Assembly, Type, bool\)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute\#system\-attribute\-getcustomattribute\(system\-reflection\-assembly\-system\-type\-system\-boolean\)), 
[Attribute.Equals\(object?\)](https://learn.microsoft.com/dotnet/api/system.attribute.equals), 
[Attribute.GetHashCode\(\)](https://learn.microsoft.com/dotnet/api/system.attribute.gethashcode), 
[Attribute.Match\(object?\)](https://learn.microsoft.com/dotnet/api/system.attribute.match), 
[Attribute.IsDefaultAttribute\(\)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefaultattribute), 
[Attribute.TypeId](https://learn.microsoft.com/dotnet/api/system.attribute.typeid), 
[object.GetType\(\)](https://learn.microsoft.com/dotnet/api/system.object.gettype), 
[object.MemberwiseClone\(\)](https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone), 
[object.ToString\(\)](https://learn.microsoft.com/dotnet/api/system.object.tostring), 
[object.Equals\(object?\)](https://learn.microsoft.com/dotnet/api/system.object.equals\#system\-object\-equals\(system\-object\)), 
[object.Equals\(object?, object?\)](https://learn.microsoft.com/dotnet/api/system.object.equals\#system\-object\-equals\(system\-object\-system\-object\)), 
[object.ReferenceEquals\(object?, object?\)](https://learn.microsoft.com/dotnet/api/system.object.referenceequals), 
[object.GetHashCode\(\)](https://learn.microsoft.com/dotnet/api/system.object.gethashcode)

## Constructors

| Name | Description |
| --- | --- |
| [RequestHandlerAttribute\(\)](https://docs.sisk-framework.org/api/Sisk.Core.Routing.RequestHandlerAttribute-1.-ctor.md#Sisk_Core_Routing_RequestHandlerAttribute_1__ctor) | Creates an new instance of this [RequestHandlerAttribute](https://docs.sisk-framework.org/api/Sisk.Core.Routing.RequestHandlerAttribute.md) class. |
| [RequestHandlerAttribute\(params object?\[\]\)](https://docs.sisk-framework.org/api/Sisk.Core.Routing.RequestHandlerAttribute-1.-ctor.md#Sisk_Core_Routing_RequestHandlerAttribute_1__ctor_System_Object___) | Creates an new instance of this [RequestHandlerAttribute](https://docs.sisk-framework.org/api/Sisk.Core.Routing.RequestHandlerAttribute.md) class with the specified constructor arguments for `T`. |