Update Page landing.landing.update

curl -X POST \
          -H "Content-Type: application/json" \
          -d '{
            "lid": 349,
            "fields": {
              "TITLE": "Spring Sale 2026",
              "CODE": "spring-sale-2026",
              "DESCRIPTION": "Updated description of the promotion page",
              "XML_ID": "promo-2026-landing"
            },
            "auth": "**put_access_token_here**"
          }' \
          "https://**put.your-domain-here**/rest/landing.landing.update.json"
        

// 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 } from '@bitrix24/b24jssdk'
        
        declare const $b24: B24Frame
        
        try {
          const response = await $b24.actions.v2.call.make<boolean>({
            method: 'landing.landing.update',
            params: {
              lid: 349,
              fields: {
                TITLE: 'Spring Promo 2026',
                CODE: 'spring-sale-2026',
                DESCRIPTION: 'Updated promo page description',
                XML_ID: 'promo-2026-landing',
              },
            },
            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('Page updated:', result)
          }
        } 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 updateLanding() {
            try {
              // Initialize the SDK inside a Bitrix24 frame
              const $b24 = await B24Js.initializeB24Frame()
        
              const response = await $b24.actions.v2.call.make({
                method: 'landing.landing.update',
                params: {
                  lid: 349,
                  fields: {
                    TITLE: 'Spring Promo 2026',
                    CODE: 'spring-sale-2026',
                    DESCRIPTION: 'Updated promo page description',
                    XML_ID: 'promo-2026-landing',
                  },
                },
                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('Page updated:', result)
            } catch (error) {
              // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
              console.error(error)
            }
          }
        
          document.addEventListener('DOMContentLoaded', updateLanding)
        </script>
        

from b24pysdk.errors import BitrixAPIError, BitrixSDKException
        
        try:
            bitrix_response = client.landing.landing.update(
                lid=349,
                fields={
                    "TITLE": "Spring Promo 2026",
                    "CODE": "spring-sale-2026",
                    "DESCRIPTION": "Updated promo page description",
                    "XML_ID": "promo-2026-landing",
                },
            ).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(
                    'landing.landing.update',
                    [
                        'lid' => 349,
                        'fields' => [
                            'TITLE' => 'Spring Sale 2026',
                            'CODE' => 'spring-sale-2026',
                            'DESCRIPTION' => 'Updated description of the promotion page',
                            'XML_ID' => 'promo-2026-landing',
                        ],
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . var_export($result, true);
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error updating page: ' . $e->getMessage();
        }
        

BX24.callMethod(
            'landing.landing.update',
            {
                lid: 349,
                fields: {
                    TITLE: 'Spring Sale 2026',
                    CODE: 'spring-sale-2026',
                    DESCRIPTION: 'Updated description of the promotion page',
                    XML_ID: 'promo-2026-landing'
                }
            },
            function(result)
            {
                if (result.error())
                {
                    console.error(result.error());
                }
                else
                {
                    console.info(result.data());
                }
            }
        );
        

require_once('crest.php');
        
        $result = CRest::call(
            'landing.landing.update',
            [
                'lid' => 349,
                'fields' => [
                    'TITLE' => 'Spring Sale 2026',
                    'CODE' => 'spring-sale-2026',
                    'DESCRIPTION' => 'Updated description of the promotion page',
                    'XML_ID' => 'promo-2026-landing',
                ],
            ]
        );
        
        if (isset($result['error']))
        {
            echo 'Error: ' . $result['error_description'];
        }
        else
        {
            echo '<pre>';
            print_r($result['result']);
            echo '</pre>';
        }
        

// client and ctx are already created — see the Go SDK section
        res, err := client.Core().Call(ctx, "landing.landing.update", b24.Params{
        	"lid": 349,
        	"fields": b24.Params{
        		"TITLE":       "Spring Sale 2026",
        		"CODE":        "spring-sale-2026",
        		"DESCRIPTION": "Updated description of the promotion page",
        		"XML_ID":      "promo-2026-landing",
        	},
        })
        if err != nil {
        	return fmt.Errorf("landing.landing.update: %w", err)
        }
        
        var ok bool
        if err := json.Unmarshal(res.Result, &ok); err != nil {
        	return fmt.Errorf("parse response: %w", err)
        }
        fmt.Println("done:", ok)