Change the basket item position (catalog product) of an existing order sale.basketitem.updateCatalogProduct

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"id":6783,"fields":{"quantity":4},"auth":"**put_access_token_here**"}' \
        https://**put_your_bitrix24_address**/rest/sale.basketitem.updateCatalogProduct
        

// This snippet is an ES module: top-level await requires type="module" or a bundler.
        // $b24 is an already-initialized SDK instance (see the SDK "Get started" guide).
        import { Text } from '@bitrix24/b24jssdk'
        import type { B24Frame, ISODate } from '@bitrix24/b24jssdk'
        
        declare const $b24: B24Frame
        
        // Shape of the payload returned in result (match the "response handling" section of the page)
        type BasketItemUpdateResult = {
          basketItem: {
            basePrice: number,
            canBuy: string,
            catalogXmlId: string,
            currency: string,
            customPrice: string,
            dateInsert: ISODate | null,
            dateUpdate: ISODate | null,
            dimensions: string,
            discountPrice: number,
            id: number,
            measureCode: string,
            measureName: string,
            name: string,
            orderId: number,
            price: number,
            productXmlId: string,
            quantity: number,
            sort: number,
            type: number,
            vatIncluded: string,
            vatRate: number | null,
            weight: number,
            xmlId: string,
          },
        }
        
        try {
          const response = await $b24.actions.v2.call.make<BasketItemUpdateResult>({
            method: 'sale.basketitem.updateCatalogProduct',
            params: {
              id: 6783,
              fields: {
                quantity: 4,
              },
            },
            requestId: Text.getUuidRfc4122()
          })
        
          // The payload is available only on a successful response
          if (!response.isSuccess) {
            console.error(response.getErrorMessages().join('; '))
          } else {
            const result = response.getData()!.result
            console.info(result.basketItem.id, result.basketItem.name, result.basketItem.quantity)
          }
        } catch (error) {
          // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
          console.error(error)
        }
        

<!-- Load the SDK (UMD build); it is exposed as the global B24Js -->
        <script src="https://unpkg.com/@bitrix24/b24jssdk@1/dist/umd/index.min.js"></script>
        <script>
          async function updateCatalogProduct() {
            try {
              // Initialize the SDK inside a Bitrix24 frame
              const $b24 = await B24Js.initializeB24Frame()
        
              const response = await $b24.actions.v2.call.make({
                method: 'sale.basketitem.updateCatalogProduct',
                params: {
                  id: 6783,
                  fields: {
                    quantity: 4,
                  },
                },
                requestId: B24Js.Text.getUuidRfc4122()
              })
        
              // The payload is available only on a successful response
              if (!response.isSuccess) {
                console.error(response.getErrorMessages().join('; '))
                return
              }
        
              const result = response.getData().result
              console.info(result.basketItem.id, result.basketItem.name, result.basketItem.quantity)
            } catch (error) {
              // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
              console.error(error)
            }
          }
        
          document.addEventListener('DOMContentLoaded', updateCatalogProduct)
        </script>
        

from b24pysdk.errors import BitrixAPIError, BitrixSDKException
        
        fields = {
            "quantity": 4,
        }
        
        try:
            bitrix_response = client.sale.basketitem.update_catalog_product(
                bitrix_id=6783,
                fields=fields,
            ).response
            result = bitrix_response.result
            print(result)
        except BitrixAPIError as error:
            print(
                "Bitrix API error",
                f"error: {error.error}",
                f"error_description: {error.error_description}",
                sep="\n",
            )
        except BitrixSDKException as error:
            print(f"Bitrix SDK error: {error.message}")
        except Exception as error:
            print(f"Unexpected error: {error}")
        

try {
            $response = $b24Service
                ->core
                ->call(
                    'sale.basketitem.updateCatalogProduct',
                    [
                        'id'     => 6783,
                        'fields' => [
                            'quantity' => 4,
                        ],
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
            // Your required data processing logic
            processData($result);
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error updating catalog product: ' . $e->getMessage();
        }
        

BX24.callMethod(
            "sale.basketitem.updateCatalogProduct",
            {
                id: 6783,
                fields: {
                    quantity: 4,
                }
            },
        )
            .then(
                function(result)
                {
                    if (result.error())
                    {
                        console.error(result.error());
                    }
                    else
                    {
                        console.log(result.data());
                    }
                },
                function(error)
                {
                    console.info(error);
                }
            );
        

require_once('crest.php');
        
        $result = CRest::call(
            'sale.basketitem.updateCatalogProduct',
            [
                'id' => 6783,
                'fields' => [
                    'quantity' => 4,
                ]
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';
        

// client and ctx are already created — see the Go SDK section
        res, err := client.Core().Call(ctx, "sale.basketitem.updateCatalogProduct", b24.Params{
        	"id": 6783,
        	"fields": b24.Params{
        		"quantity": 4,
        	},
        })
        if err != nil {
        	return fmt.Errorf("sale.basketitem.updateCatalogProduct: %w", err)
        }
        
        // The method wraps the response in an object with the "basketItem" key.
        raw, ok := b24.Unwrap(res.Result, "basketItem")
        if !ok {
        	return fmt.Errorf("no basketItem key in the response")
        }
        
        var item struct {
        	BasePrice    int    `json:"basePrice"`
        	CanBuy       string `json:"canBuy"`
        	CatalogXmlID string `json:"catalogXmlId"`
        	Currency     string `json:"currency"`
        	CustomPrice  string `json:"customPrice"`
        	DateInsert   string `json:"dateInsert"`
        }
        if err := json.Unmarshal(raw, &item); err != nil {
        	return fmt.Errorf("parse response: %w", err)
        }
        fmt.Println(item.BasePrice, item.CanBuy)