12-22_eun1-3268867923_01.webm -

This naming convention—combining a date, a region code like "EUN1" (often used in gaming or cloud server clusters), and a long numerical ID—looks like an automated export from a recording platform, a bug report attachment, or a specific match replay file.

generated this file? (e.g., League of Legends, AWS, a specific internal tool). 12-22_EUN1-3268867923_01.webm

To help you develop a feature for this or understand what it is, could you clarify: This naming convention—combining a date, a region code