# bindingMode

> Controls how this binding should be updated. The default value is BindingMode.TwoWay.

## Definition

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

```csharp
[Tooltip("Controls how a binding is updated, which can include the direction in which data is written.")]
[UxmlAttribute("binding-mode")]
public BindingMode bindingMode { get; set; }
```