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1. Click "Board Management" on the left-side menu
2. Click "Important Dates" on the sub-menu
3. Click the "+ Add Date" button
4. Select "Add Deadline"
5. Enter a "Title"
6. Set the "Priority"
7. Set a "Due Date"
8. Set a "Due Time"
9. Enter a brief description of the deadline
10. Scroll down and find the "Supporting Documents" section
11. Click inside the box to upload documents from your devce
12. Set a "Document category"
13. Use the checkbox to set the document's privacy
14. When done, click the "Add Deadline" to finish