MessageTable::getByExternalId

static function getByExternalId(string $senderId, string $externalId, ?string $from = null)
{
	$filter = [
		'=SENDER_ID' => $senderId,
		'=EXTERNAL_ID' => $externalId,
	];


	return MessageTable::getList([
		'filter' => $filter,
		'limit' => 1
	]);
}