You can now add in-island transactions https://www.fortnite.com/news/tools-for-in-island-transactions-now-available-to-fortnite-developers to your STAR WARS islands before publishing opens on May 1, giving you more options for monetizing your experiences.
Your STAR WARS island must follow the Fortnite Developer Rules as well as the updated STAR WARS Brand Rules – which now includes new guidelines and payout terms for in-island transactions.