# Editor.MapDoc.MapMeshFace.Index

```csharp
int Index { get; set; }
```

The face's position in the mesh, for `M:Editor.MapDoc.MapMesh.SetFaceMaterial(System.Collections.Generic.IEnumerable{System.Int32},Sandbox.Material)`.

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