One of the coolest new features in Radarr v3 in my opinion.
The option to add movies collection based on a movie you already got.
So lets say you add a movie like `Pirates of the Caribbean: The Curse of the Black Pearl` and you actually want to have the other movies from the same collection.
Now you can let Radarr add them for you with just a few simple clicks
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## How to add the collection lists
First go to the movie where you want to add the collection from, and click on the `collection` flag