Php-ews：创建联系人生日事件

Question

我正在尝试使用php-ews和以下代码在Exchange中添加联系人：

$request = new EWSType_CreateItemType();

$request->SendMeetingInvitations = 'SendToNone';

$contact = new EWSType_ContactItemType();
$contact->GivenName = $updates['name'];
$contact->Surname = $updates['surname'];

if($updates['email'] != "")
    $email = new EWSType_EmailAddressDictionaryEntryType();
    $email->Key = new EWSType_EmailAddressKeyType();
    $email->Key->_ = EWSType_EmailAddressKeyType::EMAIL_ADDRESS_1;
    $email->_ = $updates['email'];

    // set the email
    $contact->EmailAddresses = new EWSType_EmailAddressDictionaryType();
    $contact->EmailAddresses->Entry[] = $email;


$contact->CompanyName = $updates['companyname'];

$contact->JobTitle = $updates['jobtitle'];

$contact->Birthday = $updates['birthday'];

$request->Items->Contact[] = $contact;

$response = $this->ews->CreateItem($request);

$ updates是我作为参数的字符串数组。（我跳过了包含，告诉我是否需要它们。）

现在，已经创建了联系人，并且一切正常，但是生日事件并未在我的日历中自动创建。

所以，我想知道是否有一种简单的方法可以完成此操作，除了显而易见的（非优雅）手动创建方法。

谢谢你，的Riccardo