MessageEventManager::getMailMessagesList

protected function getMailMessagesList($filter, $selectingFields)
{
	$dateLastMonth = new DateTime();
	$dateLastMonth->add('-1 MONTH');
	foreach ($selectingFields as $index => $selectingField)
	{
		if (strncmp('MAILBOX_', $selectingField, 8) === 0)
		{
			$selectingFields[$selectingField] = 'MAILBOX.'.mb_substr($selectingField, 8);
			unset($selectingFields[$index]);
		}
	}

	return MailMessageUidTable::getList([
			'select' => $selectingFields,
			'filter' => array_merge($filter, [
				'>=INTERNALDATE' => $dateLastMonth,
				'==DELETE_TIME' => 0,
			]),
		]
	)->fetchAll();
}