Hello again.
Here is the link to download my inventory(Expect Bugs!):
https://yadi.sk/d/XqTKHROUeDEE4
UE 4.7
I have no documentation on this, but there is a full project, that u saw on the video, so everything should work at start. It has comments, so I hope u will understand some parts of the code.
Let me know, if you have any troubles.
P.S. Thanks to Hakabane for some help.