Firebase FCM On IOS

[nand...@xtrematix.com]

I am using FCM services for my IOS and android app. I need to include acknowledgement for my push, I can call an api with message_id for this purpose, in android I got message_id with each push, but in IOS i didn't get message_id with my data push, anyone please help me how can I get FCM message_id in IOS data message,