How to extend completed Assignment end date?

Academics -> Teacher Workspace -> My Workspace -> Assignment-> Select Completed Assignment->Details->Edit->Add Resources->Advanced Settings->Allow Late Submission date->Save

Users will be able to edit the completed assignment. They can extend the assignment end date and also, can add more resources as per their requirement.

To edit Assignment end date and add new resources:

1. User has to select the Assignment tab.
2. Change the status as “Completed” for editing the assignment end date.
3. Select desired assignment.
4. Go to the ‘Details’  page. 
5. Click on ‘Edit’.
6. Add new resources (if required).
7. Go to ‘Advanced Settings’.
8. Go to ‘Allow Late submission’.
9. Select desired date and time.
10. Save