This chapter provides an overview of how to customize and extend the application and, introduces the design time and runtime tools used in the process, such as Oracle JDeveloper, Oracle Business Intelligence (BI) Publisher and Oracle Enterprise Manager Fusion Middleware Control.

• Understanding Customizing & Extending the Application
• Understanding Customization Layers
• Installing Customization Tools

• Understanding Customizing & Extending the Application
  
• Understanding Customization Layers
  The application contains customization layer that allows you to make customizations which affect only certain instances of an application. For example, the application has a layer for US region. When you customize an artifact, you can choose to make that customization available only for US region.
• Installing Customization Tools
  For procedures for setting up JDeveloper for customizations, see chapter 3, Using JDeveloper for Customizations.