Hi , guys , I’m trying to make a pickup system with a counting thing using a static mesh , when my crosshair is over the mesh (my case a key ) , show up a text like “press F” and when F pressed destroy mesh and update hud for a counting thing like 1/3 , 2/3 3/3 , I looked everywhere and tried everything … and still could not figure it out . Can you guys please help me ? Thanks in advance and I’m sorry for every grammar mistake I made 
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These two tutorials by Tom Looman will probably help you:
Multiplayer Interaction System in Blueprint - Tom Looman (This one lets you turn towards items and highlight them, then use a key to pick them up)
Basic Inventory System in Blueprint - Tom Looman (This one is for a BP inventory for all your items)
Thanks!!