@nhweb Done. Update module to 1.8.1 Then, in your custom.css, append these lines. /* css/custom.css */ #CX3_POPOVER .criteriaItem.period .name::before { content: "PERIOD"; } #CX3_POPOVER .criteriaItem.location .name::before { content: "LOCATION"; } #CX3_POPOVER .criteriaItem.description .name::before { content: "DESCRIPTION"; } #CX3_POPOVER .criteriaItem.calendar .name::before { content: "CALENDAR"; } Modify as your wish.

@nhweb /* MMM-CalendarExt3 config in config/config.js */ ... config: { eventTransformer: (event) => { if (event.calendarName === 'test' && event.description) { // If event is from 'test' calendar and has description, event.title = event.description } return event; } ... 9:00 PM event was originally titled as ‘Singleday Event’ [image: 1706611641608-f6e47e7f-7994-4b6d-8071-4a97658aee7f-image.png]