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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 IBM Sales Center
In the IBM Sales Center for WebSphere Commerce there is a set of user interface panels, views and dialogs that contain the most commonly used features. You can add to or configure the user interface to suit your needs, as well as changing the content and format of the data that is passed between the client and the server.
Status line
Adding a contribution to the status line
This section explains how to add a contribution to the status line.

Adding a contribution to the status line

This section explains how to add a contribution to the status line.

About this task

To add a new contribution to the status line:

Define an extension of the Statusline contribution items extension point
Use the com.ibm.commerce.telesales.configurator extension point to indicate that the new contribution set ID will be used instead of the default IBM Sales Center contribution set. The default extension is defined in the com.ibm.commerce.telesales.ui.impl plug-in . The default ID is "contributions". When referring to the ID in the system configurator, you need to fully qualify the ID with the plug-in namespace. For example to replace the default contributions with a new declaration in a plug-in called extensions:
```
com.ibm.commerce.telesales.ui.impl.contributions=extensions.contributions
```