In the chapter 11 description for Barista Training: Toolbar
In this chapter, you’ll learn to customize the toolbar items, including Share, Insert and Print.
I can find no mention of Printing in the entire book.
Is there an update or another tutorial that shows how to print from a Mac Catalyst app?
UIPrintInteractionController
is the central class for printing in iOS. The shared instance of it represents a print job. A print job includes the content to be printed and information and options related to its printing, such as output type, job name, paper size, and orientation.
https://sixtimesanhour.com/sublimation-printing-ideas/