Is it possible to write a "LISP"  for the below mentioned scenario.

When using MV's 3D Wall. I have the wall in DBE using a hatch. I have put the hatch on a layer  "WALLHATCH".

During drawing I turn the WallHatch Layer off, (it is easier for placement of product). Is there a way to create a LISP that allows the print command to turn on the layer "WALLHATCH".