# selectedIds

> Returns the persistent IDs of selected items in the data source, regardless of whether they are collapsed or not. Always returns an enumerable, even if no item is selected, or a single item is selected.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.UIElements](/engine/6000.5/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public IEnumerable<int> selectedIds { get; }
```

### Remarks

In a tree, if a child item is collapsed, its ID is included in the persistent selection.