This maybe a rather novice question. I am trying to do a molecular dynamics simulation under the influence of a static external electric field, but can't seem to find that option in Materials Studio (Version 4.2, WIN XP, full install)

But according to the factsheet below its possible.
http://www.accelrys.com/products/datasheets/discover.pdf

Could anyone please offer some advice? I just can't find it in the help files nor google.

Thanks

grad_student