Checking for an item in certain Inventory slot

Shared Inventory Slot inventory slot png Icon for inventory slot designed by Cvetan Kamburov Connect with them on Dribbble; the global community for designers and creative inventory slot png png Is there somewhere slot to buy for it like an inventory slot for weapon warframe or wahtever? I did googled it a little and i found we

tseries jacket slot leg strap adapter png elseif itemNumber == 7 then Basically what you would do is loop through all the inventory slots and check if the slot is empty