# Sandbox.Clutter.TerrainMaterialScatterer.UseFallback

```csharp
bool UseFallback { get; set; }
```

Use random clutter entry if no material mapping matches or no terrain is present.

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