The design constraint was, no programming in the script language...so no there is no if...while...case logic.
On the other hand, some users get the sam effect with the flags.
eValid, during playback, has ERROR, WARNING, ALARM and TIMEOUT flags that can be used to adjust the flow of control as described here:
http://www.e-Valid.com/Products/Documentation.9/Testing/error.reporting.html http://www.e-Valid.com/Products/Documentation.9/Technical/script.html#flag_______________________
The Support Team