How to select an alert tone for notifications from Reminders and Feeds?
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 Type (Reminders & Feeds).
Once you've selected the alert category, you can click on either Reminder or Feeds under Alert Tone to set their respective alert tones from the list of available sounds.