pricesParameterIsMissing example

#[Route(path: 'api/_action/calculate-prices', name: 'api.action.calculate-prices', methods: ['POST'])]     public function calculatePrices(Request $request, Context $context): JsonResponse
    {
        if (!$request->request->has('taxId')) {
            throw CartException::taxIdParameterIsMissing();
        }

        $taxId = $request->request->getAlnum('taxId');
        $productPrices = $request->request->all('prices');

        if (empty($productPrices)) {
            throw CartException::pricesParameterIsMissing();
        }

        $tax = $this->taxRepository->search(new Criteria([$taxId]), $context)->get($taxId);
        if (!$tax instanceof TaxEntity) {
            throw CartException::taxRuleNotFound($taxId);
        }

        $data = [];
        $taxRate = $tax->getTaxRate();
        foreach ($productPrices as $productId => $prices) {
            $calculatedPrices = [];