id property
The video source's unique identifier for this video.
e.g. For YouTube video https://www.youtube.com/watch?v=7U3axjORYZ0, the ID is 7U3axjORYZ0. For a Google Drive video https://drive.google.com/file/d/1xCgQLFTJi5_Xl8DgW_lcUYq5e-q6Hi5Q the ID is 1xCgQLFTJi5_Xl8DgW_lcUYq5e-q6Hi5Q. To access a Google Drive video file, you might need to add a resource key to the HTTP header for a subset of old files. For more information, see [Access link-shared files using resource keys](https://developers.google.com/drive/api/v3/resource-keys).
Implementation
core.String? id;