Capturing the learner name from LMS for completion certificate

Hello,

I'm having trouble finding information (because I don't know the correctly terminology to use) on how to capture the learner name from when he/she logs onto the LMS to include on a completion certificate after the quiz has been completed and passed.  I've built the pass/fail layers and triggers, etc. but there's a piece of communication missing between storyline output and the LMS.  Our LMS is LearnShare, btw. 

Any help would be greatly appreciated.  Joey