As an instructor, you can share individual discussions in your course with other instructors at your institution. You can also copy an individual discussion into another course. When you share a discussion, any assets within that discussion (images, files, etc.) will be included in the shared file.
To share course content, you must have the Course Content - add / edit / delete permission enabled.
Shared content does not count against course or user quotas.
In Course Navigation, click the Discussions link.
Open Discussion Options
Locate the discussion you wish to send, then click the discussion Options icon . Select the Send To... option .
To send your assignment to another instructor, click or type in the Send to field . Then click the name of the instructor to receive your assignment .
Note: You can send the assignment to multiple instructors at one time.
You can view all selected recipients in the Send to field .To remove a recipient, click the Remove icon .
Click the Send button.
View Sent Notification
Canvas displays a notification when content sends successfully.
View Shared Content
When an instructor receives shared content, a badge displays on the users's Account icon  and in the Shared Content link .