Use Siri Suggestions in Reminders on Mac
On your Mac, use Siri Suggestions to quickly add reminders from other apps such as Mail. You can also turn the Siri Suggestions list on or off.
Add a reminder from the Siri Suggestions list
Quickly add a suggested reminder to your default reminder list.
Go to the Reminders app on your Mac.
Select the Siri Suggestions list in the sidebar.
If you can’t see the sidebar, choose View > Show Sidebar.
Click next to the suggested reminder you want to add to your default reminder list.
Remove a reminder from the Siri Suggestions list
Go to the Reminders app on your Mac.
Select the Siri Suggestions list in the sidebar.
If you can’t see the sidebar, choose View > Show Sidebar.
Select the suggested reminder you want to remove, then press the Delete key.
Turn Siri Suggestions in Reminders on or off
On your Mac, choose Apple menu > System Settings, then click Siri in the sidebar. (You may need to scroll down.)
Click the About Ask Siri, Dictation & Privacy button.
Click Reminders in the sidebar, then turn “Show Siri Suggestions in application” on or off.
Click Done.