Reply to help me make a user map like Eans

I am desperately trying to add some commands to set up my s4 fx the way Ean has in his latest clip where the jogg wheel will work 2 effect amounts and switch on the effect when touching the platter. i can map the effect to come on when touching the platter at all times but i only want this to happen when the load light is lit. eg joggwheel fx mode. and i cant get another effect amount to work as in the clip. im asuming i need to make a modifer ect but im confused as it is not possable to see how it is mapped in the factory mapping to try copying it to a degree. i would love any help to make these changes