Reply to Midi Mapping- Is 3 modifiers on a single button possible?

Dear All,

Long time reader, first time poster.....

I am trying to combine my three favourite midi-fighter mappings into one by using a toggle modifier and am trying to find out if the following is possible:

Its going really well so far but ive hit a problem when a button already have 2 modifiers.

I have added 2 modifiers to a buttonto change the function of that button but I can not figure out how to create a fourth use for a button without accidently triggering one of the other functions for the other modifier.
As there are only 2 columns for modifiers does anyone have a solution to add a third modifier as I have noticed you need to enter M1= 0 and M2= 0 to stop the others from working.

So the idea is for a single button is

Standard press= X (example jump to hotcue)
Hold Mod 1 = Y (delete hotcue)
Toggle Mod 2 = Z (enter fx mode)

I am no looking to create a third Modifier to give a fourth function but can not cancel out the the other 3 functions. I noticed even on Ean Goldens complex mappings no buttons appear to have more than 3 uses, so im guessing its not easy- but if any any mapping experts could let me know if this is possible or not it would be appreciated.

Many Thanks

D