If BBL follows their other internal command structure, S n is their notation for parameter n
I came across documentation for their g-code reference for the external extension module which is end of life now:
https://wiki.bambulab.com/en/p1/manual/extension-board
They have quite a few references to how they manipulate via g-code on this page towards the bottom.
Recently they also published guidelines for turning off filament unload for ams:
https://wiki.bambulab.com/en/ams/manual/ams-not-unloading-to-save-filament
If BBL follows their other internal command structure, S n is their notation for parameter n
I came across documentation for their g-code reference for the external extension module which is end of life now:
https://wiki.bambulab.com/en/p1/manual/extension-board
They have quite a few references to how they manipulate via g-code on this page towards the bottom.
Recently they also published guidelines for turning off filament unload for ams:
https://wiki.bambulab.com/en/ams/manual/ams-not-unloading-to-save-filament