Push Notification Handling In IOs

Hii

I Have try to do push notification Handling. I am facing Problem to get data from Push Notification . i have use " remoteNotifications" for getting data and "remoteNotificationCount" for checking we get push notification or not . But I am recieving Zero notification count and remoteNotifications length is also zero , I am not getting any data on push Notification. so how i can get data in push notification in UNITY IOS.

Thanks.