function onUse(player, item, fromPosition, target, toPosition)
-- config list {0 to without container item or BackpackID, itemid, charge, count}
-- Ex: 10 gfb 2x | backpack with 10 uh 1x | 2 royal helmet | 1 ice rapier 3x.
-- {0, 3191, 2, 10}, {2854, 3160, 1, 10}, {0, 3392, 1...