FirebaseMessaging Framework Reference

Constants

The following constants are available globally.

  • Notification sent when the FCM registration token has been refreshed. Please use theFIRMessaging delegate methodmessaging:didReceiveRegistrationToken: to receive current andupdated tokens.

    Declaration

    Swift

    staticletMessagingRegistrationTokenRefreshed:NSNotification.Name

  • The domain used for all errors in Messaging.

    Declaration

    Swift

    letMessagingErrorDomain:String

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Last updated 2025-03-11 UTC.