Try (data/scripts/actions/my_script.lua)
local outfits = {
[ITEM_ID_1] = { storage = 10000, female = 149, male = 137 },
[ITEM_ID_2] = { storage = 10001, female = 150, male = 138 },
}
local action = Action()
function action.onUse(player, item, fromPosition, target, toPosition...