# KeyValueEventArgs class

Namespace: [Grasshopper2.Doc](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.doc.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public sealed class KeyValueEventArgs : EventArgs
```

Arguments used in the events raised by the [KeyedValues](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.keyedvalues.md) class.

## Constructors

- [KeyValueEventArgs](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.keyvalueeventargs/ctor.md)

## Properties

- [Key](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.keyvalueeventargs/key.md): Gets the name of the value.
- [Store](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.keyvalueeventargs/store.md): Gets the [KeyedValues](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.keyedvalues.md) settings store from whence this event originated.