[Zope-dev] get permission

Hello, I use "manage_permission" for init permission of my directory. Afterthat, I need to show the permissions for this directory! Example : myFolder.manage_permission('View',listOfRoles,1) Now, I need to get permissons from myFolder ! What is the function which give me the permissions from myFolder ; a function like myFolder.getPermissions('View',ListOfRoles) ; that give me the list of Roles cheked from the permission View. Can you help me ? Regards, Johan.