# FileObjWriteOptions.ObjGroupNames enum

Namespace: [Rhino.FileIO](https://developer.rhino3d.com/api/rhinocommon/namespace/rhino.fileio.md) · Assembly: [RhinoCommon](https://developer.rhino3d.com/api/rhinocommon/assembly/rhinocommon.md) · Since v6.0

```cs
public enum FileObjWriteOptions.ObjGroupNames
```

## Values

| Name | Value | Description |
| --- | --- | --- |
| NoGroups | 0 | Neither layer or group names are exported as OBJ groups |
| LayerAsGroup | 1 | Rhino layer names are exported as OBJ groups |
| GroupAsGroup | 2 | Rhino group names are exported as OBJ groups |