+
−class ToTo(EntityType):
+
−    permissions = {
+
−        'read': ('managers',),
+
−        'add': ('managers',),
+
−        'update': ('managers',),
+
−        'delete': ('managers',),
+
−        }
+
−    attr = String()
+
−
+
−class attr(RelationType):
+
−    permissions = {
+
−        'read': ('managers', ),
+
−        'add': ('managers', RRQLExpression('S bla Y'),),
+
−        'delete': ('managers',),
+
−        }