studio-tools -core generateClass [-h] -p studioProjectDir [-n studioProjectName] -o outputPath [-x {true | false}] [-lc] [-pl projectLibraryFilePath] [-cp extendedClasspath]
For example:
studio-tools -core generateClass -p D:\Workspace\FraudDetection -o c:\temp -x true -cp c:\tibco\be\5.2\lib\myjar.jar
You see a success message if the files were generated successfully.