Push notification badge (red circle + number) not showing — Is this impossible with Adalo alone?

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Hi everyone,
I’m trying to implement a notification badge (the red circle with a number on the top-right corner of the app icon).
I tested the built-in Adalo notification feature — the banner shows up correctly, but the badge doesn’t appear.

My questions are:

  1. Is this feature (notification badge) simply not possible to implement using Adalo alone?

  2. If it’s not possible, I assume I need to use OneSignal. In that case, is using Custom Actions the only way to integrate OneSignal with Adalo?

Any guidance or experience would be greatly appreciated!

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