# GH_PingDocumentEventArgs 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
public class GH_PingDocumentEventArgs : EventArgs
```

Event arguments passed during PingDocument events.

## Fields

- [m_document](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.gh-pingdocumenteventargs/m-document.md)

## Properties

- [Document](https://developer.rhino3d.com/api/gh1/type/grasshopper.kernel.gh-pingdocumenteventargs/document.md): If you're a GH_Document that owns this object, you must fill out this field. This is the only way for objects to know which document they belong to.