Notification Setting
https://gyazo.com/2a3a2839cdb8c9d5e72a42ff3140d3fb
Press the "Set Notification Schedule" 2
https://gyazo.com/127a25f9d31e9cfcbc3661f66796c1ec
In the red box 3, the user can choose at which time the user wants each notification.
In the red box 4, the user will receive at most three additional notifications before the due date.
In the red box 5, the user can pick an extra calendar event written in the user's calendar.
Press the "Back" in the red circle 6.