Microsoft 365 Outlook: Add Attendees to Calendar Event
Add attendees to an event in the Outlook Calendar. Specify the target by event ID. Specify attendees by email address. The link URL can be acquired.
Configs
  • A: OAuth 2.0 Setting *
  • B: Event Id *#{EL}
  • C: Attendees email list for Add (comma separated) *
  • D: Optional Attendees email list for Add (comma separated)
  • E: Event URL (update)
  • X: Access Log (update)
Script (click to open)


// Add Outlook Calendar Event Attendees via Microsoft Graph API v1.0 (ver. 202209)
// (c) 2022, Questetra, Inc. (the MIT License)

//// == 工程コンフィグの参照 / Config Retrieving ==
const oauth2  = configs.get( "conf_OAuth2" ) + "";

const eventId               = configs.get( "conf_eventId" ) + "";
const attendeesList         = engine.findDataByNumber( configs.get( "conf_attendees" ) ) + "";

let attendeesOptionalList;
const dataId_attendeesOptionalList = configs.get( "conf_attendeesOptional" );
if ( dataId_attendeesOptionalList ) {
  attendeesOptionalList = engine.findDataByNumber( dataId_attendeesOptionalList ) + "";
}

const dataId_eventUrl = configs.get( "conf_eventUrl" );
const dataId_log      = configs.get( "conf_log" );


//// == 演算 / Calculating ==
if( eventId == "" ){
  throw `Event ID none.`;
}

const newAttendees = attendeesList.split(",");
let newAttendeesOptional;
if ( attendeesOptionalList ) {
  newAttendeesOptional = attendeesOptionalList.split(",");
}

if ( !attendeesOptionalList ) {
  if ( attendeesList == "null" ) {
    throw `attendeesList none.`;
  }
} else {
  if (( attendeesList == "null" ) && ( attendeesOptionalList == "null" )) {
    throw `attendeesList and attendeesOptionalList none.`;
  }
}

let accessLog = "";

//現時点のイベントデータ取得
let uri = "https://graph.microsoft.com/v1.0/me/events/" + eventId;
let response = httpClient.begin()
  .authSetting( oauth2 )
  .get( uri );
accessLog += "---GET request--- " + response.getStatusCode() + "\n";
accessLog += response.getResponseAsString() + "\n";
//engine.log("res:" + response.getResponseAsString());

const status = response.getStatusCode();
if( status >= 300 ){
  engine.log(accessLog);
  throw `Failed in GET request. status: ${status}`;
}

const jsonObj = JSON.parse( response.getResponseAsString() );
let attendees = jsonObj.attendees;

//イベントデータの更新
let length = attendees.length;
for (let i = 0; i < newAttendees.length; i++) {
  let newAttendee = newAttendees[i];
  attendees[length + i] = {};
  attendees[length + i].emailAddress = {};
  attendees[length + i].emailAddress.address = newAttendee;
}

if ( newAttendeesOptional ) {
  length = attendees.length;
  for (let i = 0; i < newAttendeesOptional.length; i++) {
    let newAttendeeOptional = newAttendeesOptional[i];
    attendees[length + i] = {};
    attendees[length + i].emailAddress = {};
    attendees[length + i].emailAddress.address = newAttendeeOptional;
    attendees[length + i].type = "optional";
  }
}

let requestObj = {};
  requestObj.attendees = [];
  requestObj.attendees = attendees;

engine.log("json:" + JSON.stringify( requestObj ));

let uri2 = "https://graph.microsoft.com/v1.0/me/events/" + eventId;
let response2 = httpClient.begin()
  .authSetting( oauth2 )
  .body( JSON.stringify( requestObj ), "application/json" )
  .patch( uri2 );
accessLog += "---PATCH request--- " + response2.getStatusCode() + "\n";
accessLog += response2.getResponseAsString() + "\n";

const status2 = response2.getStatusCode();
if ( status2 >= 300 ) {
  engine.log(accessLog);
  throw `Failed in PATCH request. status: ${status2}`;
} else {
  const eventUrl = jsonObj.webLink + "";

  if ( dataId_eventUrl !== "" ) {
    engine.setDataByNumber( dataId_eventUrl, eventUrl );
  }
}


//// == ワークフローデータへの代入 / Data Updating ==
if ( dataId_log !== "" ) {
  engine.setDataByNumber( dataId_log, accessLog );
}

Download

2022-12-13 (C) Questetra, Inc. (MIT License)
https://support.questetra.com/addons/outlook-calendar-event-attendees-add/
The Addon-import feature is available with Professional edition.
Freely modifiable JavaScript (ECMAScript) code. No warranty of any kind.

Notes

Capture

See also

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