# HttpKnownHeaderNames.LastModified

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

## LastModified {#Sisk_Core_Http_HttpKnownHeaderNames_LastModified}

The HTTP Last-Modified header.

Indicates the date and time at which the resource was last modified, helping clients determine if they need to refresh their cached version.

```csharp
public const string LastModified = "Last-Modified"
```

### Field Value

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