Here are the examples, enjoy and apply this knowledge in your projects:

CATIA v5 Multiplying and parametric modification of surfaces using PowerCopy https://youtu.be/-4W0QfzQ1o4

CATIA v5 Multiplying and parametric modification of holes and chamfers using PowerCopy https://youtu.be/YzeRxx4bGjw

CATIA v5 How to use PowerCopy to recreate features from a model to another https://youtu.be/0Kq5Ml5JLn0

CATIA v5 How to use PowerCopy to create a parametric basket structure https://youtu.be/c73i72QTM-c