# NonAsset

> Reference to a non-asset file or built asset. The GUID may be a constant GUID or null. The path can point anywhere except in registered asset folders.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine](/engine/6000.6/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
NonAsset = 0
```