(Objective-C) Outlook Calendar Create an Event

See more Outlook Calendar Examples

Create an event in the specified time zone, and assign the event an optional transactionId value.

For more information, see https://docs.microsoft.com/en-us/graph/api/user-post-events?view=graph-rest-1.0&tabs=http#example-1-create-an-event-in-the-specified-time-zone-and-assign-the-event-an-optional-transactionid-value

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#import <CkoHttp.h>
#import <CkoJsonObject.h>
#import <CkoCrypt2.h>
#import <CkoHttpResponse.h>
#import <NSString.h>

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoHttp *http = [[CkoHttp alloc] init];

// Use your previously obtained access token here: Get Outlook Calendar OAuth2 Access Token (Azure AD v2.0 Endpoint).

CkoJsonObject *jsonToken = [[CkoJsonObject alloc] init];
BOOL success = [jsonToken LoadFile: @"qa_data/tokens/outlookCalendar.json"];
if (success == NO) {
    NSLog(@"%@",jsonToken.LastErrorText);
    return;
}

http.AuthToken = [jsonToken StringOf: @"access_token"];

// Send the following POST:

// POST https://graph.microsoft.com/v1.0/me/events
// Prefer: outlook.timezone="Pacific Standard Time"
// Content-type: application/json
// 
// {
//   "subject": "Let's go for lunch",
//   "body": {
//     "contentType": "HTML",
//     "content": "Does noon work for you?"
//   },
//   "start": {
//       "dateTime": "2017-04-15T12:00:00",
//       "timeZone": "Pacific Standard Time"
//   },
//   "end": {
//       "dateTime": "2017-04-15T14:00:00",
//       "timeZone": "Pacific Standard Time"
//   },
//   "location":{
//       "displayName":"Harry's Bar"
//   },
//   "attendees": [
//     {
//       "emailAddress": {
//         "address":"samanthab@contoso.onmicrosoft.com",
//         "name": "Samantha Booth"
//       },
//       "type": "required"
//     }
//   ],
//   "allowNewTimeProposals": true,
//   "transactionId":"7E163156-7762-4BEB-A1C6-729EA81755A7"
// }

// Build the JSON body of the POST.
CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"subject" value: @"Let's go for lunch"];
[json UpdateString: @"body.contentType" value: @"HTML"];
[json UpdateString: @"body.content" value: @"Does noon work for you?"];
[json UpdateString: @"start.dateTime" value: @"2021-05-15T12:00:00"];
[json UpdateString: @"start.timeZone" value: @"Pacific Standard Time"];
[json UpdateString: @"end.dateTime" value: @"2021-05-15T14:00:00"];
[json UpdateString: @"end.timeZone" value: @"Pacific Standard Time"];
[json UpdateString: @"location.displayName" value: @"Harry's Bar"];
[json UpdateString: @"attendees[0].emailAddress.address" value: @"samanthab@contoso.onmicrosoft.com"];
[json UpdateString: @"attendees[0].emailAddress.name" value: @"Samantha Booth"];
[json UpdateString: @"attendees[0].type" value: @"required"];
[json UpdateBool: @"allowNewTimeProposals" value: YES];

// Generate a UUID.
CkoCrypt2 *crypt = [[CkoCrypt2 alloc] init];
[json UpdateString: @"transactionId" value: [crypt GenerateUuid]];

// Add the "Prefer" request header.
[http SetRequestHeader: @"Prefer" value: @"outlook.timezone=\"Pacific Standard Time\""];

// Send the HTTP POST
CkoHttpResponse *resp = [http PostJson2: @"https://graph.microsoft.com/v1.0/me/events" contentType: @"application/json" jsonText: [json Emit]];
if (http.LastMethodSuccess != YES) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

NSLog(@"%@%d",@"Response status code = ",[resp.StatusCode intValue]);

CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp Load: resp.BodyStr];
jResp.EmitCompact = NO;
NSLog(@"%@",[jResp Emit]);

// The send succeeded if the response status code = 201.
if ([resp.StatusCode intValue] != 201) {
    NSLog(@"%@",@"Failed");
    return;
}

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('user%40example.com')/events/$entity",
//   "@odata.etag": "W/\"5+vF7TKKdE6bGCRqXyl2PQAEaGQgcw==\"",
//   "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgENAAAA5_vF7TKKdE6bGCRqXyl2PQAEaDkEcAAAAA==",
//   "createdDateTime": "2021-04-18T23:38:52.1979259Z",
//   "lastModifiedDateTime": "2021-04-18T23:38:53.3747647Z",
//   "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAEaGQgcw==",
//   "categories": [
//   ],
//   "transactionId": "1d12b565-3ca3-4ed8-b3f9-e8a14ac3ac17",
//   "originalStartTimeZone": "Pacific Standard Time",
//   "originalEndTimeZone": "Pacific Standard Time",
//   "iCalUId": "040000008200E00074C5B7101A82E00800000000EF0328FDAB34D7010000000000000000100000004478DD5948382543AFD1B52C25E88C02",
//   "reminderMinutesBeforeStart": 15,
//   "isReminderOn": true,
//   "hasAttachments": false,
//   "subject": "Let's go for lunch",
//   "bodyPreview": "Does noon work for you?",
//   "importance": "normal",
//   "sensitivity": "normal",
//   "isAllDay": false,
//   "isCancelled": false,
//   "isOrganizer": true,
//   "responseRequested": true,
//   "seriesMasterId": null,
//   "showAs": "busy",
//   "type": "singleInstance",
//   "webLink": "https://outlook.live.com/owa/?itemid=AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5%2BvF7TKKdE6bGCRqXyl2PQAAAgENAAAA5%2BvF7TKKdE6bGCRqXyl2PQAEaDkEcAAAAA%3D%3D&exvsurl=1&path=/calendar/item",
//   "onlineMeetingUrl": null,
//   "isOnlineMeeting": false,
//   "onlineMeetingProvider": "unknown",
//   "allowNewTimeProposals": true,
//   "isDraft": false,
//   "hideAttendees": false,
//   "recurrence": null,
//   "onlineMeeting": null,
//   "responseStatus": {
//     "response": "organizer",
//     "time": "0001-01-01T00:00:00Z"
//   },
//   "body": {
//     "contentType": "html",
//     "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n</head>\r\n<body>\r\nDoes noon work for you?\r\n</body>\r\n</html>\r\n"
//   },
//   "start": {
//     "dateTime": "2021-05-15T12:00:00.0000000",
//     "timeZone": "Pacific Standard Time"
//   },
//   "end": {
//     "dateTime": "2021-05-15T14:00:00.0000000",
//     "timeZone": "Pacific Standard Time"
//   },
//   "location": {
//     "displayName": "Harry's Bar",
//     "locationType": "default",
//     "uniqueId": "Harry's Bar",
//     "uniqueIdType": "private"
//   },
//   "locations": [
//     {
//       "displayName": "Harry's Bar",
//       "locationType": "default",
//       "uniqueId": "Harry's Bar",
//       "uniqueIdType": "private"
//     }
//   ],
//   "attendees": [
//     {
//       "type": "required",
//       "status": {
//         "response": "none",
//         "time": "0001-01-01T00:00:00Z"
//       },
//       "emailAddress": {
//         "name": "Samantha Booth",
//         "address": "samanthab@contoso.onmicrosoft.com"
//       }
//     }
//   ],
//   "organizer": {
//     "emailAddress": {
//       "name": "John Doe",
//       "address": "outlook_3A33FCEB9B74CC15@outlook.com"
//     }
//   }
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

NSString *displayName = 0;
NSString *locationType = 0;
NSString *uniqueId = 0;
NSString *uniqueIdType = 0;
NSString *statusResponse = 0;
NSString *statusTime = 0;
NSString *emailAddressName = 0;
NSString *emailAddressAddress = 0;

NSString *odata_context = [jResp StringOf: @"\"@odata.context\""];
NSString *odata_etag = [jResp StringOf: @"\"@odata.etag\""];
NSString *id = [jResp StringOf: @"id"];
NSString *createdDateTime = [jResp StringOf: @"createdDateTime"];
NSString *lastModifiedDateTime = [jResp StringOf: @"lastModifiedDateTime"];
NSString *changeKey = [jResp StringOf: @"changeKey"];
NSString *transactionId = [jResp StringOf: @"transactionId"];
NSString *originalStartTimeZone = [jResp StringOf: @"originalStartTimeZone"];
NSString *originalEndTimeZone = [jResp StringOf: @"originalEndTimeZone"];
NSString *iCalUId = [jResp StringOf: @"iCalUId"];
int reminderMinutesBeforeStart = [[jResp IntOf: @"reminderMinutesBeforeStart"] intValue];
BOOL isReminderOn = [jResp BoolOf: @"isReminderOn"];
BOOL hasAttachments = [jResp BoolOf: @"hasAttachments"];
NSString *subject = [jResp StringOf: @"subject"];
NSString *bodyPreview = [jResp StringOf: @"bodyPreview"];
NSString *importance = [jResp StringOf: @"importance"];
NSString *sensitivity = [jResp StringOf: @"sensitivity"];
BOOL isAllDay = [jResp BoolOf: @"isAllDay"];
BOOL isCancelled = [jResp BoolOf: @"isCancelled"];
BOOL isOrganizer = [jResp BoolOf: @"isOrganizer"];
BOOL responseRequested = [jResp BoolOf: @"responseRequested"];
NSString *seriesMasterId = [jResp StringOf: @"seriesMasterId"];
NSString *showAs = [jResp StringOf: @"showAs"];
NSString *v_type = [jResp StringOf: @"type"];
NSString *webLink = [jResp StringOf: @"webLink"];
NSString *onlineMeetingUrl = [jResp StringOf: @"onlineMeetingUrl"];
BOOL isOnlineMeeting = [jResp BoolOf: @"isOnlineMeeting"];
NSString *onlineMeetingProvider = [jResp StringOf: @"onlineMeetingProvider"];
BOOL allowNewTimeProposals = [jResp BoolOf: @"allowNewTimeProposals"];
BOOL isDraft = [jResp BoolOf: @"isDraft"];
BOOL hideAttendees = [jResp BoolOf: @"hideAttendees"];
NSString *recurrence = [jResp StringOf: @"recurrence"];
NSString *onlineMeeting = [jResp StringOf: @"onlineMeeting"];
NSString *responseStatusResponse = [jResp StringOf: @"responseStatus.response"];
NSString *responseStatusTime = [jResp StringOf: @"responseStatus.time"];
NSString *bodyContentType = [jResp StringOf: @"body.contentType"];
NSString *bodyContent = [jResp StringOf: @"body.content"];
NSString *startDateTime = [jResp StringOf: @"start.dateTime"];
NSString *startTimeZone = [jResp StringOf: @"start.timeZone"];
NSString *endDateTime = [jResp StringOf: @"end.dateTime"];
NSString *endTimeZone = [jResp StringOf: @"end.timeZone"];
NSString *locationDisplayName = [jResp StringOf: @"location.displayName"];
NSString *locationLocationType = [jResp StringOf: @"location.locationType"];
NSString *locationUniqueId = [jResp StringOf: @"location.uniqueId"];
NSString *locationUniqueIdType = [jResp StringOf: @"location.uniqueIdType"];
NSString *organizerEmailAddressName = [jResp StringOf: @"organizer.emailAddress.name"];
NSString *organizerEmailAddressAddress = [jResp StringOf: @"organizer.emailAddress.address"];
int i = 0;
int count_i = [[jResp SizeOfArray: @"categories"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    i = i + 1;
}

i = 0;
count_i = [[jResp SizeOfArray: @"locations"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    displayName = [jResp StringOf: @"locations[i].displayName"];
    locationType = [jResp StringOf: @"locations[i].locationType"];
    uniqueId = [jResp StringOf: @"locations[i].uniqueId"];
    uniqueIdType = [jResp StringOf: @"locations[i].uniqueIdType"];
    i = i + 1;
}

i = 0;
count_i = [[jResp SizeOfArray: @"attendees"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    v_type = [jResp StringOf: @"attendees[i].type"];
    statusResponse = [jResp StringOf: @"attendees[i].status.response"];
    statusTime = [jResp StringOf: @"attendees[i].status.time"];
    emailAddressName = [jResp StringOf: @"attendees[i].emailAddress.name"];
    emailAddressAddress = [jResp StringOf: @"attendees[i].emailAddress.address"];
    i = i + 1;
}

NSLog(@"%@",@"Event created.");