Understand the logic of sGTM

Google Tag Manager Server Container
1

Hi I’m quite new to sGTM wanted to know some things:

  1. In order to receive events generated by the client in sGTM I need to create them in the web container first? Lets say I need purchase event for sGTM, do I need to create specific data layer for that in order to get that data back to sGTM?
  2. Do I only need to adjust the setting in the GA4 browser tag to send data to the server side container and from there I can create tags for each platform (gg, fb etc) using the events that the client in sGTM is creating for me?
2
  1. There are multiple ways of delivering data to server GTM. The most popular way is utilizing these web GTM tags:
  1. Yes, you can use GA4 to deliver requests to sGTM and then use GA4 requests to trigger server tags. This guide explains how to set up ss GA4.