Video viewers cannot add notes.
1. To add a note, hover over a video thumbnail and click Details.
2. Click on the Notes tab.
3. Enter the text for your note in the box and enter the time at which you want the note to appear in your video.
4. Finally, click +Add Note.
Several additional options are displayed once you add the note.
5. (Optional) You can click Copy link to share a link that will take viewers directly to the specific time stamp within the video where you added the note. You can also edit or delete the note at any time.