# Update

> Triggers an update of the Custom Render Texture.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

## Update(int)

Triggers an update of the Custom Render Texture.

```csharp
public void Update(int count)
```

### Parameters

**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): Number of upate pass to perform. The default value of this count parameter is 1.

## Update()

Triggers an update of the Custom Render Texture.

```csharp
public void Update()
```