{"id":150292,"date":"2023-08-04T20:19:13","date_gmt":"2023-08-04T11:19:13","guid":{"rendered":"https:\/\/support.questetra.com\/developer-blog\/outlook-calender-event-attendees-add-202307\/"},"modified":"2026-05-27T15:02:18","modified_gmt":"2026-05-27T06:02:18","slug":"outlook-calender-event-attendees-add-202307","status":"publish","type":"post","link":"https:\/\/support.questetra.com\/en\/addons\/outlook-calender-event-attendees-add-202307\/","title":{"rendered":"Microsoft 365 Outlook: Add Attendees to Calendar Event"},"content":{"rendered":"

warning<\/span> PAGE UPDATED<\/h3> https:\/\/support.questetra.com\/ja\/addons\/outlook-calendar-event-attendees-add-2026\/<\/a> <\/div> \n\n\n

Outlook Calendar Event Attendees Add<\/strong><\/h4>\n\n\n\n

Outlook \u4e88\u5b9a\u8868\u306e\u30a4\u30d9\u30f3\u30c8\u306e\u53c2\u52a0\u8005\u8ffd\u52a0<\/a><\/p>\n\n\n\n

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.<\/p>\n\n\n\n

\"Auto<\/figure>\n\n\n\n
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Configs for this Auto Step<\/summary>
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conf_OAuth2<\/dt>
A: OAuth 2.0 Setting *<\/span><\/dd>\n
conf_eventId<\/dt>
B: Event Id *<\/span>#{EL}<\/sup><\/span><\/dd>\n
conf_attendees<\/dt>
C: Attendees email list for Add (comma separated) *<\/span><\/dd>\n
conf_attendeesOptional<\/dt>
D: Optional Attendees email list for Add (comma separated)<\/dd>\n
conf_eventUrl<\/dt>
E: Event URL (update)<\/dd>\n
conf_log<\/dt>
X: Access Log (update)<\/dd>\n\n<\/dl>\n<\/div><\/details><\/div>\n<\/div>\n\n\n\n
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Script (click to open)<\/summary>
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\n\n\/\/ Add Outlook Calendar Event Attendees via Microsoft Graph API v1.0 (ver. 202209)\n\/\/ (c) 2023, Questetra, Inc. (the MIT License)\n\n\/\/\/\/ == \u5de5\u7a0b\u30b3\u30f3\u30d5\u30a3\u30b0\u306e\u53c2\u7167 \/ Config Retrieving ==\nconst oauth2  = configs.get( "conf_OAuth2" ) + "";\n\nconst eventId               = configs.get( "conf_eventId" ) + "";\nconst attendeesList         = engine.findDataByNumber( configs.get( "conf_attendees" ) ) + "";\n\nlet attendeesOptionalList;\nconst dataId_attendeesOptionalList = configs.get( "conf_attendeesOptional" );\nif ( dataId_attendeesOptionalList ) {\n  attendeesOptionalList = engine.findDataByNumber( dataId_attendeesOptionalList ) + "";\n}\n\nconst dataId_eventUrl = configs.get( "conf_eventUrl" );\nconst dataId_log      = configs.get( "conf_log" );\n\n\n\/\/\/\/ == \u6f14\u7b97 \/ Calculating ==\nif( eventId == "" ){\n  throw `Event ID none.`;\n}\n\nconst newAttendees = attendeesList.split(",");\nlet newAttendeesOptional;\nif ( attendeesOptionalList ) {\n  newAttendeesOptional = attendeesOptionalList.split(",");\n}\n\nif ( !attendeesOptionalList ) {\n  if ( attendeesList == "null" ) {\n    throw `attendeesList none.`;\n  }\n} else {\n  if (( attendeesList == "null" ) && ( attendeesOptionalList == "null" )) {\n    throw `attendeesList and attendeesOptionalList none.`;\n  }\n}\n\nlet accessLog = "";\n\n\/\/\u73fe\u6642\u70b9\u306e\u30a4\u30d9\u30f3\u30c8\u30c7\u30fc\u30bf\u53d6\u5f97\nlet uri = "https:\/\/graph.microsoft.com\/v1.0\/me\/events\/" + eventId;\nlet response = httpClient.begin()\n  .authSetting( oauth2 )\n  .get( uri );\naccessLog += "---GET request--- " + response.getStatusCode() + "\\n";\naccessLog += response.getResponseAsString() + "\\n";\n\/\/engine.log("res:" + response.getResponseAsString());\n\nconst status = response.getStatusCode();\nif( status >= 300 ){\n  engine.log(accessLog);\n  throw `Failed in GET request. status: ${status}`;\n}\n\nconst jsonObj = JSON.parse( response.getResponseAsString() );\nlet attendees = jsonObj.attendees;\n\n\/\/\u30a4\u30d9\u30f3\u30c8\u30c7\u30fc\u30bf\u306e\u66f4\u65b0\nlet length = attendees.length;\nfor (let i = 0; i < newAttendees.length; i++) {\n  let newAttendee = newAttendees[i];\n  attendees[length + i] = {};\n  attendees[length + i].emailAddress = {};\n  attendees[length + i].emailAddress.address = newAttendee;\n}\n\nif ( newAttendeesOptional ) {\n  length = attendees.length;\n  for (let i = 0; i < newAttendeesOptional.length; i++) {\n    let newAttendeeOptional = newAttendeesOptional[i];\n    attendees[length + i] = {};\n    attendees[length + i].emailAddress = {};\n    attendees[length + i].emailAddress.address = newAttendeeOptional;\n    attendees[length + i].type = "optional";\n  }\n}\n\nlet requestObj = {};\n  requestObj.attendees = [];\n  requestObj.attendees = attendees;\n\nengine.log("json:" + JSON.stringify( requestObj ));\n\nlet uri2 = "https:\/\/graph.microsoft.com\/v1.0\/me\/events\/" + eventId;\nlet response2 = httpClient.begin()\n  .authSetting( oauth2 )\n  .body( JSON.stringify( requestObj ), "application\/json" )\n  .patch( uri2 );\naccessLog += "---PATCH request--- " + response2.getStatusCode() + "\\n";\naccessLog += response2.getResponseAsString() + "\\n";\n\nconst status2 = response2.getStatusCode();\nif ( status2 >= 300 ) {\n  engine.log(accessLog);\n  throw `Failed in PATCH request. status: ${status2}`;\n} else {\n  const eventUrl = jsonObj.webLink + "";\n\n  if ( dataId_eventUrl !== "" ) {\n    engine.setDataByNumber( dataId_eventUrl, eventUrl );\n  }\n}\n\n\n\/\/\/\/ == \u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u30c7\u30fc\u30bf\u3078\u306e\u4ee3\u5165 \/ Data Updating ==\nif ( dataId_log !== "" ) {\n  engine.setDataByNumber( dataId_log, accessLog );\n}\n\n<\/code><\/pre><\/div>\n<\/div><\/details><\/div>\n<\/div>\n\n\n\n
Download<\/span><\/h3>\n\n\n\n