Assalaam alaykum wa rahmatullaah wa baarakatuhu
This thread teaches you how to submit your assignment or test or exam script.
Depending on the instruction given to you by the tutor, your message can be:
An ordinary message
An image such as a scanned item to be upload
Or a doc or PDF.
Any time you have something to submit, click back the Three vertical white lines inside a white box by the right hand side of your portal page, the drop down will appear and give you the options you need.
You may want to join a discussion on the forum, you may one to start one, you may want to attach a message etc.
When you want to send they message it will ask you to select a tutor, do so accordingly.
Hope this is helpful.