Helps for 4th axis

Hi everyone, the topic has almost certainly been discussed in the forum, but after some research I gave up!!!
I would like to know what is the correct procedure for working with the 4th axis on UCNC and FUSION 360.
Thank you all.
I would like to know what is the correct procedure for working with the 4th axis on UCNC and FUSION 360.
Thank you all.