# isDirty

> When set to true, the binding instance updates during the next update cycle. When set to false, the binding instance updates only if a change is detected.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.UIElements](/engine/6000.6/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public bool isDirty { get; }
```