# Extended Functionality

#### WARNING

Starting with DevExpress Version 25.1, you should migrate to the new Llamachant.ExpressApp modules instead. Support for these modules will end soon.

The Llamachant Framework includes platform-agnostic functionality that you can use to save time.

### Subcontent:

- [ITrackedObject Interface](/content/llamachantframeworkmoduleslegacy/9/index.html)
- [NPOBase (NonPersistentBaseObject)](/content/llamachantframeworkmoduleslegacy/8/index.html)
- [IObjectSpace Extensions](/content/llamachantframeworkmoduleslegacy/10/index.html)
- [SingletonBO Attribute](/content/llamachantframeworkmoduleslegacy/11/index.html)
- [Localization Attribute](/content/llamachantframeworkmoduleslegacy/12/index.html)
- [ActionLocalization Attribute](/content/llamachantframeworkmoduleslegacy/13/index.html)
- [File Attachments](/content/llamachantframeworkmoduleslegacy/14/index.html)