# ReuseExistingWindow

> Indicates that the search view will find any existing window instances that are already opened before creating a new one. This flag is only usable with internal API.

## Definition

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

```csharp
ReuseExistingWindow = 67108864
```