# Sandbox.BeamEffect.SetStartPoint

```csharp
void SetStartPoint(SceneAnchor start)
```

[Sandbox.ITargetedEffect](/api/Sandbox.ITargetedEffect): where the beam starts from.

### Parameters

- `start` (`SceneAnchor`)

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