You can easily change the sound of your notification by following the next steps:
1. Go and log into your builder.
2. Go to your business app.
3. click on developers.
4. There in the editable section search the files Notification sound mp3 and Notification sound OGG
Choose Notification Sound MP3 Notification Sound OGG
5. Replace both files with yours by clicking the 3 points, you will see a pop-up and select change.
Both files have to be the same otherwise, it won't work
You can use this web to convert your mp3 to ogg https://www.zamzar.com/convert/mp3-to-ogg/
6. When finished click on update
7. Move to build and build apps
8. Click on build test
9. Test if works
10. Finally follow the next article.
Have a Happy Ordering