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-rw-r--r--Firebase/Messaging/Public/FIRMessaging.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/Firebase/Messaging/Public/FIRMessaging.h b/Firebase/Messaging/Public/FIRMessaging.h
index 33dd596..31e8625 100644
--- a/Firebase/Messaging/Public/FIRMessaging.h
+++ b/Firebase/Messaging/Public/FIRMessaging.h
@@ -356,6 +356,11 @@ NS_SWIFT_NAME(Messaging)
* Is Firebase Messaging token auto generation enabled? If this flag is disabled,
* Firebase Messaging will not generate token automatically for message delivery.
*
+ * If this flag is disabled, Firebase Messaging does not generate new tokens automatically for
+ * message delivery. If this flag is enabled, FCM generates a registration token on application
+ * start when there is no existing valid token. FCM also generates a new token when an existing
+ * token is deleted.
+ *
* This setting is persisted, and is applied on future
* invocations of your application. Once explicitly set, it overrides any
* settings in your Info.plist.