You can add text to Watch Window timestamps, similar to making an annotation.
To add a text note to a timestamp
The note has two parts: a short description or title, and a text area. Once a note is added, the title is always shown, but you can hide
the details text by doing one of the following:
To hide or expand the details for all of the notes in a watch group, do one of the following:
You can always see the details by mousing over the timestamp, either in the main plot, or in the navigation plot below.