# GH_VarParamEventArgs class

Namespace: [Grasshopper.Kernel](https://developer.rhino3d.com/api/gh1/namespace/grasshopper.kernel.md) · Assembly: [Grasshopper](https://developer.rhino3d.com/api/gh1/assembly/grasshopper.md)

```cs
[EditorBrowsable(EditorBrowsableState.Never)]
public class GH_VarParamEventArgs : EventArgs
```

Arguments used in Variable Parameter events.

## Constructors

- [GH_VarParamEventArgs](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.gh-varparameventargs/ctor.md): (2 overloads)

## Properties

- [Index](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.gh-varparameventargs/index.md): Gets the index of the parameter.
- [Param](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.gh-varparameventargs/param.md): Gets the parameter.
- [Side](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.gh-varparameventargs/side.md): Gets the side of the parameter.