# Sandbox.PolygonMesh.CollapseEdges

```csharp
void CollapseEdges(IReadOnlyList<HalfEdgeHandle> edges)
```

### Parameters

- `edges` (`IReadOnlyList<HalfEdgeHandle>`)

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