# Instructions Sign in to the Apple Developer Portal. In the left nav, click Certificates, IDs & Profiles. On the Certificates, IDs & Profiles page, in the left nav, click Identifiers. View your app's details by clicking its App ID. On the Capabilities tab, scroll down and check the Push Notifications capability.
To add this extension to your app: Select File > New > Target in Xcode. Select the Notification Service Extension target from the iOS > Application section. Click Next. Specify a name and other configuration details for your app extension. Click Finish.
In the Settings app, tap Notifications. Tap the app that you haven't received notifications from. Turn on Allow Notifications then choose how and where you want to receive those.
Show recent notifications on the Lock Screen You can allow access to Notification Center on the Lock Screen. Go to Settings > Face ID & Passcode (on an iPhone with Face ID) or Touch ID & Passcode (on other iPhone models). Enter your passcode. Scroll down and turn on Notification Center (below Allow Access When Locked).
Firebase Cloud Messaging integrates with the Apple Push Notification service (APNs), however APNs only works with real devices.
There are two ways to see your alerts from the Notification Center: From the Lock Screen, swipe up from the middle of the screen. From any other screen, swipe down from the center of the top left of your screen.
Change notification settings on iPhone Go to Settings > Notifications. Choose how you want notifications displayed on the Lock Screen: View just the number of notifications: Tap Count. View the notifications grouped into stacks by app: Tap Stack. View the notifications in a list: Tap List.
On your iPhone, open the settings app. Tap Bluetooth. Share system notifications.
In the Settings app, tap Notifications. Tap the app that you haven't received notifications from. Turn on Allow Notifications then choose how and where you want to receive those.
Configure Apple Push Notification Service In your Apple Developer account, navigate to Certificates, Identifiers & Profiles > Keys . Add a new key and select APNs. Confirm the creation of the key. Click Download to generate and download the key. Make note of the Team id (in the top right corner) and the Key Id .