“You can use Xcode and AppleScript to easily expand your software. Apple’s AppleScript expert shows you how.”
Sal: “By using the AppleScript Studio features of Apple’s Xcode, you can easily expand the depth and reach of your application by integrating it with other programs. This article will demonstrate the step-by-step process for enabling AppleScript Studio interfaces and methods in an Xcode project.”
http://www.macdeveloperjournal.com/issue1/applescript/pg01.html