nvanexan

const now = new Date();
const thirtyDaysFromNow = new Date(now.getTime() + (30 * 24 * 60 * 60 * 1000));

const sourceCalendarIds = [] // array of ids of calendars you want to consolidate
const targetCalendarId = '' // string of your target calendar id (i.e. the calendar you want to consolidate events to)

const sourceCalendars = sourceCalendarIds.map(id => CalendarApp.getCalendarById(id))
const targetCalendar = CalendarApp.getCalendarById('') 

function sync() {