How to generate Apple-style /// for code comments in Xcode?

I'm trying to find a more efficient way to generate the Apple-style /// code comments in Xcode.

Although I can use Cmd + Option + Enter to automatically generate ///, it's not as convenient when copying(press option to select specific area) and pasting code. Is there a more streamlined approach to generate these comments, especially when pasting existing code?

It's convenient to generate doc with old /** */