You can create assignment shells from the Calendar. Assignment shells are placeholders for the assignment until you fill in the assignment details. You can also create assignments with differing due dates for specific students.
Note: Currently assignments added from the calendar are not validated against course or term start and end dates.
In Global Navigation, click the Calendar link.
Click the Add icon.
Enter Assignment Details
Enter a title  and due date  for the new assignment. In the Calendar drop-down menu , select the course for the assignment. In the Group drop-down menu , select the assignment group.
If your institution has enabled a student information system (SIS) integration, you can enable the assignment to sync to the SIS by selecting the Sync to SIS checkbox .
To publish the assignment, toggle the Publish icon . If you choose not to publish, the assignment will still be created and remain unpublished.