On Inventory slot click

Add a Hidden Slot in the players inventory So, what I mean by hidden is a slot, you can't access in your inventory BUT you can access it via

Sets the agent's active inventory slot Slots are counted from left to right and then top to bottom, starting at the top-left corner of the agent's inventory

minecraft inventory slot I somehow pressed a button or something and now each inventory slot has a number Modded Minecraft This is a place to talk about anything to

minecraft slot png An Integer that specifies the position of a positioned item stack Equipment Slots Item Stack Slot, item Slot, Inventory NBT Slot 40