CreateTeamsMeeting.ts

const newMeeting = `/users/${userId}/calendar/events`; 
     
const event = { 
    subject: 'Customer Service Meeting', 
    start: { 
        dateTime: startTime, 
        timeZone: 'UTC' 
    }, 
    end: { 
        dateTime: endTime, 
        timeZone: 'UTC' 
    }, 
    isOnlineMeeting: true 
}; 
     
const newEvent = await appGraphClient.api(newMeeting).post(event);     
return newEvent;