[SDK-5171] Push subscription when clicking a notification from Terminated state

_docs/_developer_guide/platform_integration_guides/android/push_notifications/android/customization/custom_event_callback.md

@@ -86,3 +86,6 @@ Braze.getInstance(context).subscribeToPushNotificationEvents { event ->
 With notification action buttons, `BRAZE_PUSH_INTENT_NOTIFICATION_OPENED` intents fire when buttons with `opens app` or `deep link` actions are clicked. Deep link and extras handling remains the same. Buttons with `close` actions don't fire `BRAZE_PUSH_INTENT_NOTIFICATION_OPENED` intents and dismiss the notification automatically.
 {% endalert %}
 
+{% alert important %}
+Create your push notification listener in `Application.onCreate` to ensure your listener is triggered after an end-user taps a notification while your app is in a terminated state.
+{% endalert %}

_docs/_developer_guide/platform_integration_guides/swift/push_notifications/integration.md

@@ -319,15 +319,12 @@ Deep linking from a push into the app is automatically handled via our standard
 
 ## Subscribing to push notifications updates
 
-{% tabs %}
-{% tab Swift %}
 To access the push notification payloads processed by Braze, use the [`Braze.Notifications.subscribeToUpdates(payloadTypes:_:)`](https://braze-inc.github.io/braze-swift-sdk/documentation/brazekit/braze/notifications-swift.class/subscribetoupdates(payloadtypes:_:)/) method.
 
 You can use the `payloadTypes` parameter to specify whether you'd like to subscribe to notifications involving push open events, push received events, or both.
 
-{% alert important %}
-Keep in mind, push received events will only trigger for foreground notifications and `content-available` background notifications. It will not trigger for notifications received while terminated or for background notifications without the `content-available` field.
-{% endalert %}
+{% tabs %}
+{% tab Swift %}
 
 ```swift
 // This subscription is maintained through a Braze cancellable, which will observe for changes until the subscription is cancelled.
@@ -337,31 +334,38 @@ let cancellable = AppDelegate.braze?.notifications.subscribeToUpdates(payloadTyp
   print("Braze processed notification with title '\(payload.title)' and body '\(payload.body)'")
 }
 ```
-{% endtab %}
-
-{% tab OBJECTIVE-C %}
-To access the push notification payloads processed by Braze, use the [`Braze.Notifications.subscribeToUpdates(payloadTypes:_:)`](https://braze-inc.github.io/braze-swift-sdk/documentation/brazekit/braze/notifications-swift.class/subscribetoupdates(payloadtypes:_:)/) method.
-
-You can use the `payloadTypes` parameter to specify whether you'd like to subscribe to notifications involving push open events, push received events, or both.
 
 {% alert important %}
 Keep in mind, push received events will only trigger for foreground notifications and `content-available` background notifications. It will not trigger for notifications received while terminated or for background notifications without the `content-available` field.
 {% endalert %}
 
+{% endtab %}
+
+{% tab OBJECTIVE-C %}
+
 ```objc
 NSInteger filtersValue = BRZNotificationsPayloadTypeFilter.opened.rawValue | BRZNotificationsPayloadTypeFilter.received.rawValue;
 BRZNotificationsPayloadTypeFilter *filters = [[BRZNotificationsPayloadTypeFilter alloc] initWithRawValue: filtersValue];
 BRZCancellable *cancellable = [notifications subscribeToUpdatesWithPayloadTypes:filters update:^(BRZNotificationsPayload * _Nonnull payload) {
   NSLog(@"Braze processed notification with title '%@' and body '%@'", payload.title, payload.body);
 }];
 ```
+
+{% alert important %}
+Keep in mind, push received events will only trigger for foreground notifications and `content-available` background notifications. It will not trigger for notifications received while terminated or for background notifications without the `content-available` field.
+{% endalert %}
+
 {% endtab %}
 
 {% endtabs %}
 {% alert note %}
 When using the automatic push integration, `subscribeToUpdates(_:)` is the only way to be notified of remote notifications processed by Braze. The `UIAppDelegate` and `UNUserNotificationCenterDelegate` system methods are not called when the notification is automatically processed by Braze.
 {% endalert %}
 
+{% alert tip %}
+Create your push notification subscription in `application(_:didFinishLaunchingWithOptions:)` to ensure your subscription is triggered after an end-user taps a notification while your app is in a terminated state.
+{% endalert %}
+
 ## Testing {#push-testing}
 
 If you'd like to test in-app and push notifications via the command line, you can send a single notification through the terminal via CURL and the [messaging API]({{site.baseurl}}/api/endpoints/messaging/send_messages/post_send_messages/). You will need to replace the following fields with the correct values for your test case: