# Flush()

> Sends queued-up commands in the driver's command buffer to the GPU.

## Definition

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

```csharp
public static void Flush()
```

### Remarks

When Direct3D 11 is the active graphics API, this call maps to ID3D11DeviceContext::Flush. When Direct3D 12 is the active graphics API, pending command lists are executed. When OpenGL is the active graphics API, this call maps to glFlush.