[rules-users] declare variable

Hello, first sorry for my bad english. I want to declare a variable of type List rule "userrole" when $user1: User (userid1: userId) $user2: User (userId == userid1) then List L = new ArrayList(); if (L.contains($user1.getname())== false) { L.add($user1.getname()); System.out.println("hello"); } end the problem is everytime the List don't save all element every execution the variable list is intialised as empty is there other place to declare List? (I try after when but error of parsing) --------------------------------- Ne gardez plus qu'une seule adresse mail ! Copiez vos mails vers Yahoo! Mail