Can we pass parameters back and forth between Captivate 4 and a homegrown LMS?

We are currently using a home grown LMS and ToolBook. At the beginning of every training course we are passing several parameters to ToolBook using a getparameters function and sending several parameters back to the LMS from our ToolBook assessments using HTTP Post.

We are in the process of elavuating Captivate 4 and we need to be able to do something similar to what we are currently doing with ToolBook. At the start of each training session we need to be able to send several pieces of information (user ID, return URL, etc. etc,) from the LMS to Captivate and at the end of each assessment we need to be able to send several pieces of information back (user ID, pass/fail, score, etc.) to the LMS. We do not need to display any of the information brought into Captivate.

Is it possible to do this using Captivate user-defined variables and HTTP? If so, can anyone out there give us some pointers on exactly how to accomplish this. If not, is there any way that this can be done with Captivate?

Any help will be greatly appreciated.

Thanks,

Vernon . . .