Add the ability to create google calander events on booking approval?

" 'Booking: ' . $booking_data['resource_title'], // Customize as needed
'location' => !empty($booking_data['location']) ? $booking_data['location'] : 'Online',
'description' => 'Booking details: ' . $booking_data['form_data'],
'start' => array(
'dateTime' => format_google_calendar_date($booking_data['start_date']),
'timeZone' => get_option('timezone_string', 'UTC'),
),
'end' => array(
'dateTime' => format_google_calendar_date($booking_data['end_date']),
'timeZone' => get_option('timezone_string', 'UTC'),
),
'attendees' => array(
array('email' => $booking_data['email']),
),
);

// Authenticate and send event to Google Calendar
$client = get_google_client();
$service = new Google_Service_Calendar($client);

try {
$calendarId = 'primary'; // Use your Google Calendar ID here
$event = new Google_Service_Calendar_Event($event_data);
$service->events->insert($calendarId, $event);

// Log success
error_log('Google Calendar event created successfully for Booking ID: ' . $booking_id);
} catch (Exception $e) {
// Log any errors
error_log('Failed to create Google Calendar event: ' . $e->getMessage());
}
}

/**
* Format date for Google Calendar.
*
* @param string $date Date in format Y-m-d H:i:s.
* @return string Date in ISO 8601 format.
*/
function format_google_calendar_date($date) {
$datetime = new DateTime($date);
return $datetime->format(DateTime::ATOM);
}

/**
* Get Google Client for API Authentication.
*
* @return Google_Client
*/
function get_google_client() {
require_once __DIR__ . '/vendor/autoload.php'; // Adjust path as needed

$client = new Google_Client();
$client->setApplicationName('WordPress Google Calendar Integration');
$client->setScopes(Google_Service_Calendar::CALENDAR);
$client->setAuthConfig(__DIR__ . '/path-to-credentials.json'); // Add path to your credentials file
$client->setAccessType('offline');

return $client;
}
"

Why didn't I receive an email with payment details after completing my reservation as a customer, even though I have selected bank transfer as my payment method? The order has also disappeared from the order summary.