Hello,<br>first sorry for my bad english.<br>I want to declare a variable of type List<br><br>rule "userrole"<br> <br>when<br> $user1: User (userid1: userId)<br> $user2: User (userId == userid1)<br> then<br> List L = new ArrayList();<br> if (L.contains($user1.getname())== false)<br> {<br> L.add($user1.getname());<br> System.out.println("hello");<br> }<br> end<br><br>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?<br>(I try after when but error of parsing)<br><p> 
        
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