# RhinoDocObserverArgs class

Namespace: [Rhino](https://developer.rhino3d.com/api/rhinocommon/namespace/rhino.md) · Assembly: [RhinoCommon](https://developer.rhino3d.com/api/rhinocommon/assembly/rhinocommon.md)

```cs
public class RhinoDocObserverArgs
```

Arguments passed to [IRhinoDocObserver](https://developer.rhino3d.com/api/rhinocommon/type/rhino.irhinodocobserver.md) methods.

## Constructors

- [RhinoDocObserverArgs](https://developer.rhino3d.com/api/rhinocommon/type/rhino.rhinodocobserverargs/ctor.md)

## Properties

- [Doc](https://developer.rhino3d.com/api/rhinocommon/type/rhino.rhinodocobserverargs/doc.md): Document
- [RuntimeSerialNumber](https://developer.rhino3d.com/api/rhinocommon/type/rhino.rhinodocobserverargs/runtimeserialnumber.md): Document runtime serial number, will be different across Rhino sessions.