Add Videos to Docked Prompts
Where: This change applies to Lightning Experience in Essentials, Group, Professional, Enterprise, Performance, Unlimited, and Developer editions.
How: From Setup in Lightning Experience, enter In-App Guidance in the Quick Find box, and then select In-App Guidance.
When adding a video to a docked prompt, enter the URL specified in the src attribute listed in the embed code from the video host.
Users watch the video within the docked prompt, in the expanded docked prompt, or full screen.