# Sandbox.PolygonMesh.FindFaceIslands

```csharp
void FindFaceIslands(IReadOnlyList<FaceHandle> faces, out List<List<FaceHandle>> outFaces)
```

### Parameters

- `faces` (`IReadOnlyList<FaceHandle>`)
- `out outFaces` (`List<List<FaceHandle>>`)

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