Thank you guys!!! Helped me a lot.
But loadstring didnt work.
EDIT: I tried it on another function, but why spellsValue didn't work?
local keys = {F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12}
for i = 1, #keys do
local spellsValue = "spells" .. keys[i]
if onHotkeyClicada ==...