Jak wyświetlić konkretną miksturę w gui

piszę skrypt na sklep i chciał bym dodać dział z alchemia ale nie wiem jak wyświetlić konkretna miksturę

function SKLEP1(g: player):
	set {_gui} to chest inventory with 3 rows named "Sklep"
	set {_nr} to 0
	loop 27 times:
		set slot {_nr} of {_gui} to black glass pane named "&3..."
		add 1 to {_nr}
	set slot 4 of {_gui} to blue glass pane named "&5SPECJALNE"
	set slot 0 of {_gui} to sunflower named "&6%{_g}'s balance%$"
	set slot 12 of {_gui} to iron pickaxe named "&3KILOFY"
	set slot 13 of {_gui} to iron chestplate named "&3ZBROJE"
	set slot 14 of {_gui} to potion named "&3ALCHEMIA"
	set slot 22 of {_gui} to green glass pane named "&aSKUP"
	close {_g}'s inventory
	open {_gui} to {_g}