How to use the inApp Billing system ? someone help me please

how to use the inApp billing .please help .i want to make a inApp Purchasing system in my App.

The instructions for this extension (you dont need to use it) will help

Here is a video.


Kodular has in app billing component then why use extension?

You dont need the extension, but those are the instructions and examples. The blocks are very close to what is available.

I am having issues with the in app billing system as a side note.