EnumSlotID is the slot where the item will displayed
0: main hand
1: off hand
2–5: armor slot
2: boots
3: leggings
4: chestplate
5: helmet
InventorySlotID is your slot id from the Inventory there must be enable on another armorstand then you activate a 9 slot Inventory you can use 0-9 as InventorySlotID
i will be ad more functions but for the first it is a simple test