Hello Hello Rostyslav,
We do have a lot of content around funnel creation, it is one of our favorite topics 
Here are some Community playbook links for you:
Measuring Marketing Funnel Success
Analyse Marketing Funnels
Optimize your funnel with sales enablement
[Blog Post]
How to Create a Marketing Funnel by Responding to Customer Behavior
All posts filtered with "funnel"
I hope these resources help! Let me know if you have a subscription to CXL as well, I’d be happy to dig up some courses which would be relevant to your needs.