> For the complete documentation index, see [llms.txt](https://docs.cotter.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cotter.app/sdk-reference/ios/ios-sdk-passwordless-login/ios-push-notification.md).

# Push Notification

In this tutorial, we're going to setup push notification for authenticating non-trusted devices.

## Prerequisites

* Your APNS Certificate (.p12 file)
* Your APNS Certificate's password (optional)

## Setting up

![](https://107069962-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M0QGDMRD8y_Kd-BpOvT%2F-MCiYITo3xYeWmYGsfLO%2F-MCiZzIO8ehb7GRYrVTb%2FScreen%20Shot%202020-07-19%20at%2012.30.57%20AM.png?alt=media\&token=327d7553-1350-40a8-adbe-aa43e644d2c6)

* Go to developer [dashboard](https://dev.cotter.app/) > Settings > Notifications
* Make sure you picked **APNS(iOS)**
* Upload your APNS certificate, and the password if you have a password set for your certificate

## That's it.

Your users should be able to receive push notification authentication request. If you haven't configured Cotter in your iOS Application, follow this [guide](/quickstart-guides/ios-quickstart.md).