# TreeListControlBase.RestoreStateKeyFieldName property

Gets or sets the field whose values identify nodes when restoring the saved control state.

```csharp
public string? RestoreStateKeyFieldName { get; set; }
```

## See Also

* class [TreeListControlBase](../TreeListControlBase.md)
* namespace [Eremex.AvaloniaUI.Controls.TreeList](../index.md)

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