This attribute allows you to enter a comment to highlight noteworthy aspects of the segment, such as the purpose or special features.
Astrogator <Satellite Object Path> SetValue <Attribute Path>.UserComment <Value>
Enter a text string.
Astrogator */Satellite/Satellite1 SetValue MainSequence.SegmentList.Launch.UserComment This is a launch segment
STK Programming Interface 11.0.1