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User Guide
The information contained in this section applies to IBM WebSphere Commerce Version 7.0.0.9 and Feautre Pack 8. The documentation also applies to all subsequent releases and modifications until otherwise indicated in new editions.
Developing
The topics in the Developing section describe tasks performed by an application developer.
Presentation layer
WebSphere Commerce uses Java Server Pages (JSP) to implement the view layer of the Model-View-Controller (MVC) design pattern. The view layer is in charge of retrieving data from the database through the use of data beans and formatting it to meet the display requirements. The view layers determines whether the request is sent to a browser or streamed out as XML. JSP files present a clean separation between data content and presentation.
Customizing content versioning
The content versioning feature is enabled for some objects in the Catalogs tool in Management Center. You can add or remove content versioning support for existing objects and custom objects by customizing both Management Center and WebSphere Commerce server.
Extending the content versioning feature to support UserData
You can extend the content versioning feature to support UserData in your existing noun. Currently, content versioning is enabled only for the Catalog service module.

Extending the content versioning feature to support UserData

You can extend the content versioning feature to support UserData in your existing noun. Currently, content versioning is enabled only for the Catalog service module.

To customize existing nouns, identify which service module and UI objects you want to customize, then perform the following tasks: