# HttpKnownHeaderNames.IfRange

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

## IfRange {#Sisk_Core_Http_HttpKnownHeaderNames_IfRange}

The HTTP If-Range header.

Used to make a conditional range request, allowing the client to specify that the range should only be returned if the resource has not changed.

```csharp
public const string IfRange = "If-Range"
```

### Field Value

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