Отправка почтового события и Bitrix

$arFields  = [
    'DATE'  => date('d.m.Y'),
    'NAME'  => $request->getPost('name'),
    'PHONE' => $request->getPost('phone'),
];
$addResult = \Bitrix\Main\Mail\Event::send(
    [
        'EVENT_NAME' => 'MAIL_EVENT',
        'LID'        => 's1',
        'C_FIELDS'   => $arFields
    ]
);