# HttpKnownHeaderNames.Age

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

## Age {#Sisk_Core_Http_HttpKnownHeaderNames_Age}

The HTTP Age header.

Indicates the age of the object in a cache, helping clients understand how fresh the cached response is.

```csharp
public const string Age = "Age"
```

### Field Value

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