machines/systems/flexibot/docs/marlin/_gcode/M500.md

tag, title, brief, author, requires, group, codes, notes, parameters, examples

tag	title	brief	author	requires	group	codes	notes	parameters	examples
m0500	Save Settings	Save settings to EEPROM.	thinkyhead	EEPROM_SETTINGS	eeprom	M500	Requires `EEPROM_SETTINGS`. Since Marlin 1.1.0 only changed bytes are written to prolong EEPROM life.		pre code Save settings M500

Save all configurable settings to EEPROM.