Hello, it’s possible to do this?

Extra Notes in parentheses ? It’s possible in dorico4? Thanks

You’ll need to create the parentheses using text items, I’m afraid: Dorico doesn’t have native support for creating brackets around a whole bunch of notes like this, though I can see it would have its uses!

You’ll need to activate the Avoid collisions property for your text items and ensure that the checkbox is switched off so that the text can be easily moved into the right spot.