How to access the "Show Curve..." option from Curve panel by using mdl command ?

Hi all of you guys,

Actually Im dealing with writing a script for solving a MBD problem using MotionView. Does anyone who know how to access the 'Show Curve...' option from Curve panel by using mdl command ?

(I mean in Motionview, what is the mdl command in order to access the 'Show Curve...' option in the Curve panel ?, actually this option help you to plot the given data for an input curve)

your help will be appreciated
Thanks