# AssetGuid

> The GUID of the asset file associated with this graph.

## Definition

* **Type:** Property
* **Namespace:** [Unity.GraphToolkit.Editor](/engine/6000.6/script-reference/unity/graphtoolkit/editor.md)
* **Assembly:** UnityEditor

```csharp
public GUID AssetGuid { get; }
```

### Remarks

The default value of GUID for local subgraphs, because they are not stored as separate asset files. For graphs that are persistent assets, this property contains the valid unique identifier of the asset file on disk.