# Sandbox.PolygonMesh.SetEdgeSmoothing

```csharp
void SetEdgeSmoothing(HalfEdgeHandle hEdge, EdgeSmoothMode mode)
```

Set the smoothing of this edge

### Parameters

- `hEdge` (`HalfEdgeHandle`)
- `mode` (`EdgeSmoothMode`)

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