Sample code for 30+ languages & platforms
Perl

MS Graph Calendar List Events

See more Microsoft Calendar Examples

Retrieve a list of events in a calendar. The list contains single instance meetings and series masters.

For more details, see https://docs.microsoft.com/en-us/graph/api/calendar-list-events?view=graph-rest-1.0

Chilkat Perl Downloads

Perl
use chilkat();

$success = 0;

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

$http = chilkat::CkHttp->new();

# Use your previously obtained access token as shown here:
#    Get Microsoft Graph OAuth2 Access Token with Calendars.ReadWrite scope.

$jsonToken = chilkat::CkJsonObject->new();
$success = $jsonToken->LoadFile("qa_data/tokens/msGraphCalendar.json");
if ($success == 0) {
    print $jsonToken->lastErrorText() . "\r\n";
    exit;
}

$http->put_AuthToken($jsonToken->stringOf("access_token"));

# Specify the calendar id
$http->SetUrlVar("id","AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEGAAAA5_vF7TKKdE6bGCRqXyl2PQAClEpRTgAAAA==");
# Send a GET request to https://graph.microsoft.com/v1.0/me/calendars/{$id}/events
$strResponse = $http->quickGetStr("https://graph.microsoft.com/v1.0/me/calendars/{$id}/events");
if ($http->get_LastMethodSuccess() == 0) {
    print $http->lastErrorText() . "\r\n";
    exit;
}

$json = chilkat::CkJsonObject->new();
$json->Load($strResponse);
$json->put_EmitCompact(0);

if ($http->get_LastStatus() != 200) {
    print $json->emit() . "\r\n";
    print "Failed, response status code = " . $http->get_LastStatus() . "\r\n";
    exit;
}

print $json->emit() . "\r\n";

# Sample output:
# (See parsing code below..)

# {
#   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('admin%40chilkat.io')/calendars('AQMkADAwATM0MDAAMS1i ... AClEpRTgAAAA%3D%3D')/events",
#   "value": [
#     {
#       "@odata.etag": "W/\"5+vF7TKKdE6bGCRqXyl2PQAClIgmmw==\"",
#       "id": "AQMkADAwATM0MDAAM ... AApRZ7JkAAAA=",
#       "createdDateTime": "2019-04-26T14:31:39.8791929Z",
#       "lastModifiedDateTime": "2019-04-26T14:31:41.2753537Z",
#       "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAClIgmmw==",
#       "categories": [
#       ],
#       "originalStartTimeZone": "Pacific Standard Time",
#       "originalEndTimeZone": "Pacific Standard Time",
#       "iCalUId": "040000008200E ... A230FEBFE5F7486A",
#       "reminderMinutesBeforeStart": 15,
#       "isReminderOn": true,
#       "hasAttachments": false,
#       "subject": "Let's go for lunch",
#       "bodyPreview": "Does mid month 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=AQMkADAwATM0MDAAMS1iNTcwLWI2NT ... gkal8pdj0AApRZ7JkAAAA%3D&exvsurl=1&path=/calendar/item",
#       "onlineMeetingUrl": null,
#       "recurrence": 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 mid month work for you?\r\n</body>\r\n</html>\r\n"
#       },
#       "start": {
#         "dateTime": "2019-11-15T20:00:00.0000000",
#         "timeZone": "UTC"
#       },
#       "end": {
#         "dateTime": "2019-11-15T22:00:00.0000000",
#         "timeZone": "UTC"
#       },
#       "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": "Adele Vance",
#             "address": "adelev@contoso.onmicrosoft.com"
#           }
#         }
#       ],
#       "organizer": {
#         "emailAddress": {
#           "name": "Matt",
#           "address": "outlook_3A33FCEB9B74CC15@outlook.com"
#         }
#       }
#     }
#   ]
# }

# Use this online tool to generate parsing code from sample JSON: 
# Generate Parsing Code from JSON

$odataContext = $json->stringOf('\'@odata.context\'');
$i = 0;
$count_i = $json->SizeOfArray("value");
while ($i < $count_i) {
    $json->put_I($i);
    $odataEtag = $json->stringOf('value[i].\'@odata.etag\'');
    $id = $json->stringOf("value[i].id");
    $createdDateTime = $json->stringOf("value[i].createdDateTime");
    $lastModifiedDateTime = $json->stringOf("value[i].lastModifiedDateTime");
    $changeKey = $json->stringOf("value[i].changeKey");
    $originalStartTimeZone = $json->stringOf("value[i].originalStartTimeZone");
    $originalEndTimeZone = $json->stringOf("value[i].originalEndTimeZone");
    $iCalUId = $json->stringOf("value[i].iCalUId");
    $reminderMinutesBeforeStart = $json->IntOf("value[i].reminderMinutesBeforeStart");
    $isReminderOn = $json->BoolOf("value[i].isReminderOn");
    $hasAttachments = $json->BoolOf("value[i].hasAttachments");
    $subject = $json->stringOf("value[i].subject");
    $bodyPreview = $json->stringOf("value[i].bodyPreview");
    $importance = $json->stringOf("value[i].importance");
    $sensitivity = $json->stringOf("value[i].sensitivity");
    $isAllDay = $json->BoolOf("value[i].isAllDay");
    $isCancelled = $json->BoolOf("value[i].isCancelled");
    $isOrganizer = $json->BoolOf("value[i].isOrganizer");
    $responseRequested = $json->BoolOf("value[i].responseRequested");
    $seriesMasterId = $json->stringOf("value[i].seriesMasterId");
    $showAs = $json->stringOf("value[i].showAs");
    $v_type = $json->stringOf("value[i].type");
    $webLink = $json->stringOf("value[i].webLink");
    $onlineMeetingUrl = $json->stringOf("value[i].onlineMeetingUrl");
    $recurrence = $json->stringOf("value[i].recurrence");
    $responseStatusResponse = $json->stringOf("value[i].responseStatus.response");
    $responseStatusTime = $json->stringOf("value[i].responseStatus.time");
    $bodyContentType = $json->stringOf("value[i].body.contentType");
    $bodyContent = $json->stringOf("value[i].body.content");
    $startDateTime = $json->stringOf("value[i].start.dateTime");
    $startTimeZone = $json->stringOf("value[i].start.timeZone");
    $endDateTime = $json->stringOf("value[i].end.dateTime");
    $endTimeZone = $json->stringOf("value[i].end.timeZone");
    $locationDisplayName = $json->stringOf("value[i].location.displayName");
    $locationLocationType = $json->stringOf("value[i].location.locationType");
    $locationUniqueId = $json->stringOf("value[i].location.uniqueId");
    $locationUniqueIdType = $json->stringOf("value[i].location.uniqueIdType");
    $organizerEmailAddressName = $json->stringOf("value[i].organizer.emailAddress.name");
    $organizerEmailAddressAddress = $json->stringOf("value[i].organizer.emailAddress.address");
    $j = 0;
    $count_j = $json->SizeOfArray("value[i].categories");
    while ($j < $count_j) {
        $json->put_J($j);
        # ...
        $j = $j + 1;
    }

    $j = 0;
    $count_j = $json->SizeOfArray("value[i].locations");
    while ($j < $count_j) {
        $json->put_J($j);
        $displayName = $json->stringOf("value[i].locations[j].displayName");
        $locationType = $json->stringOf("value[i].locations[j].locationType");
        $uniqueId = $json->stringOf("value[i].locations[j].uniqueId");
        $uniqueIdType = $json->stringOf("value[i].locations[j].uniqueIdType");
        $j = $j + 1;
    }

    $j = 0;
    $count_j = $json->SizeOfArray("value[i].attendees");
    while ($j < $count_j) {
        $json->put_J($j);
        $v_type = $json->stringOf("value[i].attendees[j].type");
        $statusResponse = $json->stringOf("value[i].attendees[j].status.response");
        $statusTime = $json->stringOf("value[i].attendees[j].status.time");
        $emailAddressName = $json->stringOf("value[i].attendees[j].emailAddress.name");
        $emailAddressAddress = $json->stringOf("value[i].attendees[j].emailAddress.address");
        $j = $j + 1;
    }

    $i = $i + 1;
}

print "Success." . "\r\n";