# Keep

> Use this option to save the created index as an Asset file.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor.Search](/engine/6000.5/script-reference/unityeditor/search.md)
* **Assembly:** UnityEditor

```csharp
Keep = 64
```

### Remarks

See [SearchService.CreateIndex](/engine/6000.5/script-reference/unityeditor/search/searchservice/createindex.md).