The default is to show only changes in the schedule.
But you are right: a few more examples and screenshots are on my todo list!
You can try this (look for showRegularLessons).
{
disabled: false,
module: "MMM-Webuntis",
header: "schedule for next 3 days",
position: "top_right",
config: {
students: [
{
title: "children",
qrcode: "untis://s[...]",
},
],
days: 3,
showRegularLessons: true
}
},