What’s the name of the certain function

App Development
1

Hi, i want to easily implement this into my app, al though, what is it called?

https://drive.google.com/file/d/1h-hWLMRhy69vmdHZLnUjegFFomgodTki/view?usp=drivesdk

2

This is a tableview with each cell being a collectionView

Checkout this video

3

Thank you!!!