# PreUpdate()

> Called at regular intervals to synchronize bound properties to their IBindable counterparts. Called before the Update() method.

## Definition

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

```csharp
void PreUpdate()
```