How do you teleport inventory to Minecraft items?

I want items (in a funnel or similar) to be teleported to my inventory when I press a button. Can someone help me there?

This is only possible with command blocks. Have you already researched and found nothing about it or not tried it at all? Otherwise, just give it a try, provided you are familiar with command blocks. If not, this video might help:

There's the command / replaceitem.

With a few command blocks and a little command knowledge you can do something