# Sandbox.UI.CurveEditor.SetTangent

```csharp
void SetTangent(int index, bool incoming, float slope)
```

### Parameters

- `index` (`int`)
- `incoming` (`bool`)
- `slope` (`float`)

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