fmQBODeveloper is a utility file that you can use to help you integrate your solution with fmQBO. It learns a few things bout your file and combines that with what it knows about the QuickBooks API. It uses that knowledge to generate scripts for that you can paste into your solution.
This movie is a run through of how you use fmQBODeveloper to help you carry out your integration. Its long but it is worth the watch. Make sure you watch in full screen mode to get all the 1080p HD goodness