# SetItemsSourceWithoutNotify(IList)

> Set the CollectionViewController.itemsSource without raising the CollectionViewController.itemsSourceChanged event.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine.UIElements](/engine/6000.3/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
protected void SetItemsSourceWithoutNotify(IList source)
```

### Parameters

**** (\[IList]\(https\://learn.microsoft.com/dotnet/api/system.collections.ilist)): The new source.