1. Go in Calendar 2. Make sure the Calendar is "Collabs Deadline" 3. Click Add New Event 4. Fill out everything 5. Open your event on the calendar 6. Click on Request Reminder 7. Copy the address 8. Paste the link in your collab thread, and tell others to subscribe to your deadline. 9. Subscribed people will receive reminders about your collab, so they don't forget to film a video.