Inside the itinerary builder, there is an edit button next to + New Event.
The Edit button allow you to make changes to events in bulk. Changes such as:
Save Items to Library
Save Items to Library as Multi-Event (aka Day)
Tag Individual People (for group itineraries)
To get started, just follow these steps!
1. Click Edit
2. Select the items you want to make the changes to
3. Click the Ellipses
This will bring up the available options.
4. Select the change you want to make
5. Click Done
And you're good to go!
You can also rearrange events with the edit button. Just drag and drop what you need to where you need it!