Can someone explain we how i can add items in a4 boxes

[FlaxZViruZ]

I try it with rollgenerateitem but somebody tell me i need to add it directly in the source

[0Lucifer0]

Roll generated item : set the design correctly and it should works

[Thecrazyviktor]

BoxId 882 Design 255

[FlaxZViruZ]

Thx you too