You can implement user-defined extension functions when you develop a transformation service. The JARs can come from a WorkSpace project (Add JARs) or from the file system (Add External JARs).
Select Window|Preferences from the main menu bar.
Expand Sybase, Inc in the left pane.
Expand Services.
Select Transformation Editor.
The Transformation Editor dialog appears in the right pane.
Select the User-Defined Extensions tab in the right pane.
User-Defined Extensions dialog
| Field | Explanation | 
|---|---|
Extension Functions JARs List  | Displays JARs you added to your workspace. Each JAR is usable by any transformation service in your workspace.  | 
Remove  | Deletes the selected JAR from the list. The JAR file is not deleted from the project or from the file system.  | 
Add JARs  | Lets you browse and select one or more JARs from a project in your workspace.  | 
Add External JARs  | Lets you browse and select one or more JARs from the file system.  | 
At packaging time, any JAR used in a transformation service must be included in ServiceClasses.jar.
Defining Operation Parameter Properties for a Transformation Service
Developing Custom Classes for Transforming Message Definition Fields
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