Reminders are placed into four categories which can be found at the top of the screen; "Today", "Scheduled", "All", and "Flagged". Users can also create their own lists of reminders. New reminders can be placed into lists or set as subtasks[3] and can include several details including: a priority tag,[4] a note about the reminder, and an image or URL attachment.
Tasks appear in the Notification Center 24 hours before the time a reminder is set for. Additionally, alarms can be set for reminders, sending a notification to users at a certain time and date, when a geofence around an area is crossed, or when a message starts being typed to a set contact.[5] If a time-based alert is set, it can repeat every day, week, two weeks, month, or year.
Reminders can be marked as completed (checked) and are automatically hidden.[6] Lists can be synced between iOS and macOS through iCloud[7] as well as shared with other contacts. Once shared, tasks can be added or completed by anyone with access to a list and specific reminders can be assigned to different people.[5]
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