Could you please provide more or the contents of the video so I can tailor the draft for you?

Clearly explain what will happen if the behavior continues, such as further disciplinary action or potential termination [1.1.2].

State the facts clearly—what happened, when it occurred, and where "9891mp4" fits into the context (e.g., "On [Date], the file 9891.mp4 was found to be in violation of policy X").

A formal write-up is designed to provide clarity on an incident and outline necessary improvements [ 1.1.1 ].