videoId property
The ID of the video associated with the video link.
This is the 11 character string value used in the YouTube video URL. For example, video ID is jV1vkHv4zq8 from the YouTube video URL "https://www.youtube.com/watch?v=jV1vkHv4zq8&t=2s".
Immutable.
Implementation
core.String? videoId;