Message::getContextAction

public function getContextAction(BitrixImV2Message $message, int $range = self::MESSAGE_ON_PAGE_COUNT): ?array
{
	$messageService = new MessageService($message);
	$messages = $messageService->getMessageContext($range, BitrixImV2Message::REST_FIELDS)->getResult();

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