I tried using the command "g_map.drawCustomMap("100x100.png", 100, 350, 7, 200, 450, true);" but nothing happened. Sorry for the delay.
EDIT: I got it, I just wrote it like this
g_map.setShadowPercent(30)
prepareClient(1098, 'items.otb', 'forgotten.otbm', 1, 1)
g_map.setMinXToLoad(0)...