# isValid

> Returns true is the hash value is valid. (Read Only)

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.Experimental](/engine/6000.5/script-reference/unityeditor/experimental.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public bool isValid { get; }
```

### Remarks

An ArtifactKey without a valid GUID is considered invalid.