messages.recurrenceEditor.summary.onString(default: "on")

The connecting word used before weekday lists in recurrence trigger summaries.

Example - set the recurrence summary weekday connector

<div id="scheduler"></div>
<script>
$("#scheduler").kendoScheduler({
  date: new Date("2026/8/3"),
  messages: { recurrenceEditor: { summary: { on: "during" } } },
  dataSource: [
    { id: 1, title: "Inventory Review", start: new Date("2026/8/3 09:00"), end: new Date("2026/8/3 10:00"), recurrenceRule: "FREQ=WEEKLY;BYDAY=MO" }
  ]
});
</script>