# Sandbox.Surface.ScrapeEffectData.SmoothParticles

```csharp
List<string> SmoothParticles { get; set; }
```

> **Obsolete.**

Spawn one of these particle effects during a smooth scrape.

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