一个objective-c应用程序嵌入applescript。

I would like to sandbox an app which uses applescript to contact safari to get the list of the tabs. Then I get back those datas in an objective c trough NSAppleEventDescriptor. I've already added the com.apple.security.temporary-exception.apple-events key with com.apple.safari to my entitlements. When my app is not sandboxed i have no problem but when i try to sandbox it i just get "null" as data.I would like to sandbox an app which uses apple