How would I be able to add an item to an inventory slot?

How would I be able to add an item to an inventory slot? inventory slot png PNG tags · PNG info · Online resize png · License · Related png images inventory slot png Tackle Language · Watch · Edit Rotten Warning: Spoilers Tackle does not stack in inventory or chests; each tackle takes up one

inventory slot png Refresh Inventory Slot Cache Module:Inventory slotTemplatesdocAbout png', link = 'Attribute Shard', title = '&fAttribute Shard', text = '&b{o}{

ufc slot A slot is a location in the data of a block entity or entity that an item stack can be placed in  Head : RS3 Inventory image of Head slot · Torso : RS3 Inventory image of Torso slot · Legs : RS3 Inventory image of Legs