hi @ImAlim ,
There is a great example of IIT(In-Island Transactions) here.
The Verse source is available to download
Want to add in island transactions to UEFN but don’t know verse? Now you can! Free device!
There is good documentation at
Beginning In Island Transactions in Fortnite | Fortnite Documentation
Creating Items and Offers in Fortnite | Fortnite Documentation
In Island Transactions Best Practices and Debugging in Fortnite | Fortnite Documentation
My thread shows how to build the UEFN Feature Example for In-Island Transactions
and to fix the publishing problem and the published version
[Solved] UEFN Feature Example In-Island Transactions , fake experimental Scene Graph error
The project must be Build auto-translated as above before private/public publish
The update Feature Example In-Island Transaction is published Island as 7310-0398-6511