How to make an inventory system

Hey guys,
I need really help. I try to make an inventory system. But all I do don’t work.
Can somebody help please? Would be glad about help

UMG Inventory Tutorial:

Drag and Drop with UMG :

Part1: Drag & Drop with UMG | 01 | Live Training | Unreal Engine - YouTube

Part2: Drag & Drop with UMG | 02 | Live Training | Unreal Engine - YouTube

Part3: Drag & Drop with UMG | 03 | Live Training | Unreal Engine - YouTube

**Advanced Inventory Systems **