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workavia-mail-front/docs/adr/0057-ios-fcm-routing.md
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2025-04-21 03:23:14 -07:00

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# 57. iOS FCM routing
Date: 2024-12-05
## Status
Accepted
## Context
- Notification from FCM contains `mutable-content: true`
- Those notification will be transfered to Notification Service Extension ([See here](https://developer.apple.com/documentation/usernotifications/modifying-content-in-newly-delivered-notifications#Configure-the-payload-for-the-remote-notification)) whether the app is in background or foreground
- Due to the app is in foreground, no notification will be shown
- Due to NSE handle the data, FCM on Flutter side cannot handle it
## Decision
- We check if the app is in foreground or not
- If the app is in foreground, we will not modify the payload and route the payload to FCM foreground method channel
- If the app is in background or terminated, we will keep the current implementation
## Consequences
- Twake Mail iOS app will get latest updates when app is in foreground