How to copy and paste using Logitech Slim Folio Pro

It should be:

Copy = Command (⌘) + C

Paste = Command (⌘) + V

If you have troubles about that, I suggest that you contact Logitech support team and ask them.

Regards

Giulio

Press and hold the Command Key on your external keyboard to reveal all of the available key-shortcuts - which will vary by App. The long keypress triggers a menu - divided by catagory.

Whilst this page from the iPad User Guide refers to the iPad Keyboard, your Logitech keyboard operates in largely the same manner:

Use shortcuts on an Apple external keyboard with iPad – Apple Support