# Sandbox.CameraEffectSystem.Add

```csharp
T Add(T effect)
```

Add a camera effect. A null [Sandbox.CameraEffectSystem.BaseEffect.Camera](/api/Sandbox.CameraEffectSystem.BaseEffect/Camera) applies to every camera.

### Parameters

- `effect` (`T`)

### Returns

`T`

Declared in [Sandbox.CameraEffectSystem](/api/Sandbox.CameraEffectSystem).
Assembly: `Sandbox.Engine`.