# Null

> No graphics API.

## Definition

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

```csharp
Null = 4
```

### Remarks

This typically happens when a "null" graphics API is explicitly requested from command line arguments, for example when running game servers or editor in batch mode.