writing a do loop command in ansys static structural(workbench)

Hi every body,
I wonder if it is possible to write a *Do Loop in the static structural command snipper. I have to change a parameter in some substep of my solution, so I need *Do command. However, I am not sure if it is feasible to write a command in structural domain in order to change some parameters during solution.
I would be really appreciated if some one can help me with that.
Best Regards
Maral