I haven't done extensive research on the subject (and unfortunately the USFIRST website, which I assume would have the answer, is down), but if the setup is the same as regular VEX you have the options of RobotC, EasyC, or LabVIEW. This may be inaccurate, however.
I'm guessing that the following site will have the answer (when the server is back up):
http://www.usfirst.org/roboticsprogr....aspx?id=18758