How do I create a reminder for an assignment or event in the Canvas Parent app on my Android device?
You can set course assignment and event reminders from a course page or from the Calendar. When setting a reminder, you can select the date and time that you would like to receive the reminder. Reminders are sent as push notifications to your device.
Set Reminder from Course Page

In the Courses page, tap the name of the class for which you wish to set reminders.

Tap the name of the assignment for which you wish to set a reminder.
Set Reminder from Calendar

To open the Calendar page, tap the Calendar link [1].
To open the assignment or event details, tap the assignment name [2].