Add audio comments within your Google Classroom using the #TalkandCommentApp! @GoogleForEdu #voicenotes #extension pic.twitter.com/2jJoDkpxrS— Alfonso Mendoza Jr., M.Ed. (@TechTeacher1381) October 29, 2019
Make sure to add the extension by clicking here. When you do add the extension I would recommend closing Chrome and then re-opening as this has been an issue for some on the first time.
One thing to note is when grabbing the URL make sure to remove where it says Voice Note.
Embedded below is a 1 minute and 58 second YouTube tutorial.