VoiceThread has a new Assignment Builder interface.  Prior to January 2021, you will need to turn this on in order to use it.  The instructions to enable the new interface are outlined below.

Start by clicking on the Access VoiceThread
for this Course (Note: if this is your first
time click Course View)Click on the Gear icon next to one of the
courses on the left side.
screenshot of clicking on the VT groups gear icon next to one class
Click on New Features Click "New Features"

Click on Start Using This New Feature for This Course

Click Save

Click the first option then Save
Click I understand
Now, the new feature is turned on for that class

To see the instructions for creating an assignment using the new interface visit: