# Sandbox.SceneParticles.IsControlPointSet

```csharp
bool IsControlPointSet(int index)
```

Whether given control point has any data set.

### Parameters

- `index` (`int`): The control point index. Range is 0-63.

### Returns

`bool`

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