Pickup Items to hotbar

So iam trying to make a hotbar. No inventory just hotbar. Item that are picked are not stackable. Only one item can bestored in a hotbar slot.

My first question is. How should i make more items? Should i duplicate the main actor blueprint for an item or use child actors ?(as shown in the first pic) Or is there a better way?

Second question. How would i make system to show an image of the picked item. And how would i know which item is picked ? Actor class ? BP name ?
Iam using integer array for the hotbar so indexes 0-7 are the slots. Element of each slot is either 0 or 1 (0 for empty, 1 for full) when i pick an item i want an image of that item to be displayed in the slot that it populates. I have been trying for 3 days and i cant seem to figure it out.

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