# ValueTrackerObject.TrackData struct

Namespace: [Grasshopper2.Parameters.Special](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.parameters.special.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public readonly struct ValueTrackerObject.TrackData
```

A track snapshot for drawing: its stable palette index and its points.

## Constructors

- [ValueTrackerObject.TrackData](https://developer.rhino3d.com/api/gh2/type/grasshopper2.parameters.special.valuetrackerobject.trackdata/ctor.md)

## Properties

- [ColourIndex](https://developer.rhino3d.com/api/gh2/type/grasshopper2.parameters.special.valuetrackerobject.trackdata/colourindex.md)
- [Points](https://developer.rhino3d.com/api/gh2/type/grasshopper2.parameters.special.valuetrackerobject.trackdata/points.md)