> For the complete documentation index, see [llms.txt](https://docs.customerglu.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.customerglu.com/miscellaneous-topics/notifications.md).

# Notifications

CustomerGlu supports *Firebase Messaging* and *Apple Push Notification service* (*APNs*) to send in-app/push notifications to the users. Following requirements have to be met for enabling notifications from CustomerGlu:

* Your FCM Server key/Apple Push Notification Authentication Key has to be shared with CustomerGlu
* firebaseToken/apnsDeviceToken, deviceType, deviceId has to be provided during device/user registration
* The tokens must be updated on refresh from device

## Firebase Cloud Messaging (FCM)

![](/files/hjhdFKVrAw5TdWQUcbSg)

#### Creating Private Key for Firebase Account

Go to Project Settings > service accounts > Generate new private key for Node.js

![](/files/DQzKnwvWDUEYv3JNsEFB)

## Apple Push Notification service (APNs)

#### Creating Authentication Key for APNS

When sending push notifications using an APNs Auth Key, we require the following information about your app:

* Auth Key file (.p8 format)
* Key ID
* Team ID
* Your app’s bundle ID

1. Visit the Apple [Developer Member Center](https://developer.apple.com/account/).
2. Click on “Certificates, Identifiers & Profiles”.
3. Go to Keys from the Left Menu.
4. Create a new Auth Key by clicking on the “+” button in the top right corner.

![](/files/Ime8xqwsvDroWdB82Nq0)

5\. On the following page, add a Key Name, and select APNs

![](/files/J3VQKP5n2oRat2FVW7dE)

6\. On this page, you will be able to download your auth key file.

![](/files/FiLDD0DmfTvrje3VFAJX)

7\. TeamID can be found in the "View Account" menu

![](/files/d0kCZwi4AzFjq31um20j)

8\. Your app’s bundle ID can be found in Xcode.