# Editor.Asset.RenderThumb

```csharp
System.Threading.Tasks.Task<Pixmap> RenderThumb()
```

Immediately render a preview thumbnail for this asset, and return it.

### Returns

`System.Threading.Tasks.Task<Pixmap>`: The rendered preview thumbnail, or null if asset type does not support previews.

Declared in [Editor.Asset](/api/Editor.Asset).
Assembly: `Sandbox.Tools`.