Create daily recurring appointment

The following example shows you how to create a daily recurring appointment.

import { GraphClient, ItemBody, ContentType } from '../independentsoft/graph/graph.js';
import { Event, DateTimeTimeZone, Recurrence, RecurrencePattern, RecurrencePatternType, RecurrenceRange, RecurrenceRangeType } from '../independentsoft/graph/calendars.js';
import { UserId } from '../independentsoft/graph/users.js';

async function mainFunc() {

    try {
        const client = new GraphClient();
        client.clientId = "xxxxxxxxxx-209e-454e-xxxxxxxxxxxxxxxxxxx";
        client.tenant = "independentsoft.onmicrosoft.com";
        client.clientSecret = "xxxxxxxxx.ONVE[=zYYxxxxxxxxxxxxxxxx";
    
        const start = new Date(2025, 6, 10, 16, 0, 0);
        const end = new Date(2025, 6, 10, 17, 0, 0);

        let pattern = new RecurrencePattern();
        pattern.interval = 1;
        pattern.type = RecurrencePatternType.DAILY;

        let range = new RecurrenceRange();
        range.type = RecurrenceRangeType.END_DATE;
        range.startDate = start;
        range.endDate = new Date(2025, 11, 30);
        range.recurrenceTimeZone = "UTC";

        let appointment = new Event();
        appointment.recurrence = new Recurrence(pattern, range);
        appointment.subject = "Development meeting every day";
        appointment.body = new ItemBody("<html><body><b>Meeting description</b></body></html>", ContentType.HTML);
        appointment.start = new DateTimeTimeZone(start, "UTC");
        appointment.end = new DateTimeTimeZone(end, "UTC");

        const createdAppointment = await client.createEvent(appointment, undefined, new UserId("info@independentsoft.onmicrosoft.com"));

        console.log("Id = " + createdAppointment.id);
    }
    catch (e) {
        console.error(e.code)    //error code
        console.error(e.message) //description
        console.error(e.date)    //timestamp
        console.error(e.innerError)   //innerError
    }
}

mainFunc();

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