Changing phase in Matricks

Hi,

I would like to create a macro that changes the phase in a Matrickspool

My goal would be to have a recipe, and with commands be able to change the phase without having to create a new MAtrickspool and to assign them into my recipe for each phase I want.

I can't seen to find the correct syntax.

Thank you to anyone reading and willing to help !

It worked !!

Thank you very much