I’m looking to create a video demonstrating how a feature in Figma works like the one below. I’ve watched YouTube videos on adding video to your prototype (e.g., as a background) or creating a video player with pause function. But how is Figma creating the short demos I see in the below examples?

https://www.figma.com/design-handoff/

https://cdn.sanity.io/files/599r6htc/regionalized/61cadd50e0960147a9dcbeaa9738a7cd5e380a8c.mp4

Thank you