# isValid

> True if this refers to the product of an Import operation performed on an Asset Source by an Importer class, otherwise false.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.Experimental](/engine/6000.7/script-reference/unityeditor/experimental.md)
* **Assembly:** UnityEditor.CoreModule

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

### Remarks

An invalid ImportResultID may indicate a system error or an invalid combination of Asset Source and Importer class.