# HttpKnownHeaderNames.AccessControlAllowOrigin

Kind: Field  
Namespace: `Sisk.Core.Http`  
Assembly: `Sisk.Core.dll`  
Source: https://docs.sisk-framework.org/api/Sisk.Core.Http.HttpKnownHeaderNames.AccessControlAllowOrigin.html

## AccessControlAllowOrigin {#Sisk_Core_Http_HttpKnownHeaderNames_AccessControlAllowOrigin}

The HTTP Access-Control-Allow-Origin header.

Specifies which origins are allowed to access the resource in a CORS context, helping to control cross-origin requests.

```csharp
public const string AccessControlAllowOrigin = "Access-Control-Allow-Origin"
```

### Field Value

[string](https://learn.microsoft.com/dotnet/api/system.string)