# Sandbox.Networking.GetData

```csharp
static string GetData(string key, string defaultValue = )
```

Get data about the current server or lobby. This data can be used for filtering
when querying lobbies.

### Parameters

- `key` (`string`)
- `defaultValue` (`string`), default ``

### Returns

`string`

Declared in [Sandbox.Networking](/api/Sandbox.Networking).
Assembly: `Sandbox.Engine`.