Because this is a generic system-generated name for a personal media file, there is no public "write-up" or official documentation associated with it. To provide a helpful summary or description, I would Understanding the Filename : Indicates the file is a video.
: Who sent the video, what conversation it was part of, and why it is being documented. Technical Details : The resolution and format (likely .mp4 ). VID-20170923-WA0030
The filename follows the standard naming convention for a video file received via WhatsApp on September 23, 2017. Because this is a generic system-generated name for
: A chronological description of what happens in the video (e.g., "0:05 - Subject enters the frame..."). what conversation it was part of