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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.
Management Center framework
The Management Center framework is the foundation for business user tooling. The business objects are defined by the individual components that make up the Management Center. The framework uses those definitions to provide all of the features that you can use to find, create, modify, and delete the defined business objects. If you plan to customize the Management Center, it is important to understand the framework and the components that make up the Management Center.
Customizing the Management Center user interface
Customize the Management Center user interface by adding, changing, or removing elements within the user interface.
Customizing an existing Management Center tool
You can customize the Management Center Catalogs, Marketing, Promotions, Store Management, Catalog Filter and Pricing, and Assets tools to meet your business needs.
Adding a new library to the Management Center
If you create new OpenLaszlo library files as part of your Management Center customization, include them in the extensions library for the tool you are changing.

Adding a new library to the Management Center

If you create new OpenLaszlo library files as part of your Management Center customization, include them in the extensions library for the tool you are changing.

About this task

To add a new library file to the Management Center:

Procedure

Open WebSphere Commerce Developer and switch to the Enterprise Explorer view.
In the Enterprise Explorer view, expand LOBTools > WebContent > WEB-INF > src > lzx > commerce > Management_Center_component, where Management_Center_component is the name of the tool you want to customize.
Open the extensions library file. All tool extensions library files follow this syntax: Management_Center_componentExtensionsLibrary.lzx. For example, CatalogExtensionsLibrary.lzx.
Within the extensions library file, include all the .lzx library files that you created as part of your customization. The path for each include element must be relative to the extensions library file's location. For example, if you added a library file for the Catalogs tool, your include element would be similar to this:
```
<include href="../../myCompanyName/catalog/MyCatalogExtensionClass.lzx" />
```

What to do next

After you complete your customization:

Right-click LOBTools Project; then click Build OpenLaszlo Project to produce an updated ManagementCenter.swf file under the workspace_dir\LOBTools\WebContent directory. This setting is the default environment setting.
Test your changes by viewing them in the Management Center, using this URL: https://hostname:8000/lobtools.
Deploy your changes to your production environment.