# MRT4

> Indicates that support for multiple render targets (at least 4) is required i.e. support for fragment shaders that can output at least 4 values.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor.Rendering](/engine/6000.0/script-reference/unityeditor/rendering.md)
* **Assembly:** UnityEditor

```csharp
MRT4 = 8
```