The Behavior Interactive Interface (BII) is a user-friendly tool for setting up dynamic systems through a graphical parametric environment. It was developed by University Paris-8 researchers for @postasis platform and targets users (e.g. intructors, students) not familiar with programming. 

Here, one can see a video illustrating the basic features of BII.

Here, one can see an example of usage of the BII.  

An executable example is provided in the attached files below.