Message::listAction

public function listAction(Chat $chat, int $limit = self::MESSAGE_ON_PAGE_COUNT): ?array
{
	$messageService = new MessageService($chat->getLoadContextMessage());
	$messages = $messageService->getMessageContext($limit, BitrixImV2Message::REST_FIELDS)->getResult();

	return $messageService->fillContextPaginationData($this->toRestFormat($messages), $messages, $limit);
}