Thank you bluemeenie195, but I don't know if that triggers the visibility of other meshes.
I appreciate what you have shared bluemeenie195 but it looks like this wouldn't do...I will have to read up on the lua manual for Game Guru Max, is one available ?
Edit:
Found it:
https://steamsolo.com/guide/gameguru-lua-scripting-summary-and-guide-gameguru/