For Apple client apps, you can receive notification and data payloads up to 4000 bytes over the Firebase Cloud Messaging APNs interface . To write your client code in Objective-C or Swift, we recommend that you use the FIRMessaging API.
For Apple client apps, you can receive notification and data payloads up to 4000 bytes over the Firebase Cloud Messaging APNs interface . To write your client code in Objective-C or Swift, we recommend that you use the FIRMessaging API.