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KANISIOUS MUSEKA
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FirebaseCloudMessagingPlugin – Push Notification Character Limit in OutSystems 11
Question
Mobile
Application Type
Mobile

Hi Community,

I am using the FirebaseCloudMessagingPlugin in OutSystems 11 to send push notifications. The challenge I’m facing is that I can only send notifications with less than 140 characters in the message body.

What I would like to achieve is:

  • Increase the character length to at least 500 characters for the notification body.

  • Ensure that the full message is displayed when received on the device.

  • I do not want to use In-App Messaging, only push notifications.

👉 Has anyone managed to configure the plugin or apply a workaround so that longer push notification messages (around 500 characters) are displayed fully?

👉 Is this a limitation of the plugin itself, or something configurable on the Firebase / Android / iOS side?

Any guidance or examples would be greatly appreciated.

Thanks,

Kanisious Museka

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07 Sep 2025
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2025-09-01 03-21-07
Vibhor Agarwal

Hello @KANISIOUS MUSEKA ,

You can try with upgrading to Plugin Version 4.0.0+ as OutSystems recommends upgrading to version 4.0.0 or newer of the FirebaseCloudMessagingPlugin. These versions use Server Actions to send notifications and allow more flexibility in payload composition, including longer message bodies

Hope it helps!

Thanks,

Vibhor

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08 Sep 2025
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