Yes, fill out everything on the checkin on the app. You will get a QR code and boarding information will show on the App about 11 days before sailing.
Print out your travel summary, bring your passports and any other documents required and check in at the terminal. You will pick up the ocean medallion at the port.
They do not send you an email. You may look at your travel summary, right above the itinerary and it will say boarding times and sail time.
We always go earlier than the time shown, so we can get checked in and in line to board.
The travel summary may not show boarding time, as they
have been making changes and showing it only on the App about 11 days before Sailing. Who knows? That may change again.