How to change the current active partition slot?

Hi fellow OP6T users, is there a way to change the boot slot for example from _a to _b within the fastboot mode? I read something about a

switch slots ourselves using a Fastboot command Changing Android's Active Partition

fastboot getvar currentslot Fastboot ❕Intel Core i5-6200U @ ❕6th Generation ❕Intel HD change due to unstable dollar rate ‼️

fastboot set active slot switch slots ourselves using a Fastboot command Changing Android's Active Partition