flexi-bot/docs/marlin/_gcode/M403.md

tag	title	brief	author	requires	group	codes	notes	parameters	examples
m0403	MMU2 Filament Type	Set filament type for Multi-Material Unit 2.0	revilor	PRUSA_MMU2	control	M403	Requires a Průša Multi-Material Unit v2.0. Requires [`PRUSA_MMU2`](/docs/configuration/configuration.html#prusa-mmu2)	tag optional description values E false The MMU2 slot [0..4] to set the material type for tag type index int tag optional description values F false The filament type. tag description 0 Default (PLA, PETG, ...) tag description 1 Flexible filament tag description 2 PVA	pre code Set slot 0 to flexible M403 E0 F1 pre code Set slot 3 to PVA M403 E3 F2

Set the filament type for a Průša MMU2 (or compatible) material slot.