1. Go to 'Notes' and add an item. Write your task and attach files if needed.
2. Click 'Create task' in the upper right corner.
3. Mark the item on your list you would like to add a deadline to. Set the time and date by clicking on the calendar symbol.
4. Click 'Ok' and the task will be saved under 'Your task' in the 'Actions'-menu. A reminder will be sent to your e-mail when the task is due.
5. Tick off your task as complete in the app when done by clicking on 'Your task' and update it.
See also: What is Notes?