Webtrends Analytics 9 Adminstration Guide, November 2012
Any event in Flash can trigger a dcsMultiTrack call. For example, many companies who use Webtrends have successfully tracked clicks, video completions, slide views, and loading percentage indicators that occur within Flash.
Using the general syntax for calling dcsMultiTrack within Flash, you can execute this code on any event you want to track.
Flash tracking is almost infinitely customizable. However, advanced Flash interactions require more complex tracking.