How to Pick up Items On Button Press and Add it To Visible Inventory

So I'm trying to make a scavenger hunt based game, similar to the sections of Life is Strange where you have to find items. I want to make it so that when the player gets near an item, a button prompt to pick it up appears. Then, when picking it up, a counter on the screen goes up, with a picture of the item next to it. I want to apply t$$anonymous$$s for multiple items.