Deflection test instead of load/force test

I am trying to test to find the force that occurs when a deflection is applied. I found a way online but it seems to be older and different than the 2019 solidworks simulations.

Link to old explantation:  

I attached a photo of the piece I am working on. The deflection would be moving the top piece of the plate up.

Thanks

SolidworksSimulation