Documentation request for OMNet++ 6.0.1 / sequence chart / context menu / configure style

[windy32]

Platform

• OMNeT++ version: 6.0.1
• OS: Linux Mint 20.2 MATE 64 bit

Describe the bug
There is a screenshot in INET / Showcases / Time-Sensitive Networking / Scheduling and Traffic Shaping / Time-Aware Shaping
The url is https://inet.omnetpp.org/docs/showcases/tsn/trafficshaping/timeawareshaper/doc/index.html
The screenshot is

I am able to follow the sequence chart configuration, except the configuration of message styles.

I need to set the color of video messages to red. The "configure style" dialog needs an expression as the input, but I am unable to find any related documentation.

Is there any documentation about sequence chart styling that I have missed?

[levy]

Not really, but basically you can write expressions with and/or and *, colors are either dark/light color groups or color names separated by commas. Colors are used cyclically.