# DataDifference 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 DataDifference : Difference
```

A difference in persistent data of the same object between two documents.

## Constructors

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

## Properties

- [DataA](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.datadifference/dataa.md)
- [DataB](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.datadifference/datab.md)

## Inherited Members

- From [Difference](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.difference.md): [Type](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.difference/type.md)