How to select an alert tone for notifications from the App?
To select an alert tone
1. Open the Bigin app on your Mac.
2. Click Bigin in the menu bar that runs along the top of the screen.
3. Select Preferences in the dropdown to open Settings in Bigin.
Under General, you can find the title Notifications.
4. Click on Notifications > Sound.
5. Click on the Alert Category dropdown
.
6. Select By App.
Once you've selected the alert category, you can click on Sound under Alert Tone to set an alert tone for the app from the list of available sounds.