How to change the current active partition slot?

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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

fastboot getvar currentslot --slot SLOT Override the default behavior and prompt fastboot to flash the slot that is passed in as an argument --set-active

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