Google Apps how to write addons?

Question

Google Apps Script

Hello , I
came across a task to write an addon for consolidating tables
, all my Google searches how to do everything and how it works in general leads me to a page for registering my company and buying a domain
Tell me where to start and what to watch / read

Answer 1

I apologize for self-promotion, but here is a small article on writing scripts in google sheets.
https://m.habr.com/en/post/529332/
Perhaps it will help as a starting point.
Google apps docks
Apps overview:
https://developers.google.com/apps-script/overview
Table scripting docks
https://developers.google.com/apps-script/referenc...