# RhinoDoc.UserStringChangedArgs 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 RhinoDoc.UserStringChangedArgs : EventArgs
```

This event is raised when document user text strings are changed

## Properties

- [Document](https://developer.rhino3d.com/api/rhinocommon/type/rhino.rhinodoc.userstringchangedargs/document.md): Document containing the user string
- [Key](https://developer.rhino3d.com/api/rhinocommon/type/rhino.rhinodoc.userstringchangedargs/key.md): Key for the string being changed