# GH_ClusterFileType enum

Namespace: [Grasshopper.Kernel.Special](https://developer.rhino3d.com/api/gh1/namespace/grasshopper.kernel.special.md) · Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

```cs
public enum GH_ClusterFileType
```

Enumerates the possible cluster reference file types.

## Values

| Name | Value | Description |
| --- | --- | --- |
| None | 0 | Indicates no reference file is defined. |
| Gh | 1 | Indicates a GH (binary) file is referenced. |
| Ghx | 2 | Indicates a GHX (Xml) file is referenced. |
| GhCluster | 3 | Indicates a GHCLUSTER file is referenced. |
| Unknown | 4 | Indicates a file of unknown type is referenced. |