# updateDelegate

> A managed delegate to which you can assign a custom update method that should run as part of this system.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.LowLevel](/engine/6000.7/script-reference/unityengine/lowlevel.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public PlayerLoopSystem.UpdateFunction updateDelegate
```