Check the following pages that explains how to use the main features of Requirement Yogi for Cloud:
Learn how to be a Requirement Yogi expert in less than 30 minutes with the full playlist: https://youtube.com/playlist?list=PLSef8S-KtJMwLDjovOQpNlXv2ijfsmG1R&si=6h6PvD0ORgs82yoj . Please feel free to comment back and give us some of your inputs to make these tutorials better 
If you are a Data Center user, these tutorials are for you: https://youtube.com/playlist?list=PLSef8S-KtJMzxruWnLvGBZ15PsXbya16Z&si=5iRnleKzOYsJwEjq . If you do not know on which hosting you are, find more information here: https://community.atlassian.com/t5/Confluence-articles/How-do-you-know-if-you-are-on-Confluence-Cloud-or-Server-Data/ba-p/1917899#:~:text=%F0%9F%92%BB%20Look%20at%20the%20URL,are%20on%20Server%2FData%20Center.
Overview of all features
1- What is a requirement for us, and insert the macro
2- What are properties, dependencies and how to manage them
3- Use the search to your advantage with our tips on the syntax
4- How to use the Traceability Matrix and build powerful reports
5- Perform Calculations on your requirements
6- Variants, manage parallel branches and compare them
7 - External Properties UPCOMING
8 - Requirement Yogi for Jira - How to link Requirements to Jira issues
9 - Transformation Wizard
10 - Reuse public standards and your client’s specifications: Write your requirements in paragraphs
