Update Content of the Block landing.block.updatecontent

curl -X POST \
          -H "Accept: application/json" \
          -H "Content-Type: application/json" \
          -d '{
            "lid": 311,
            "block": 6058,
            "content": "<section class=\"g-pt-60 g-pb-60\"><div class=\"container\"><h2 class=\"landing-block-node-title\">Spring Promotion</h2><p class=\"landing-block-node-text\" bxstyle=\"color:#1d1d1d;\">15% discount until the end of the month</p></div></section>",
            "preventHistory": true,
            "auth": "**put_access_token_here**"
          }' \
          "https://**put.your-domain-here**/rest/landing.block.updatecontent.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 | null>({
            method: 'landing.block.updatecontent',
            params: {
              lid: 311,
              block: 6058,
              content: '<section class="g-pt-60 g-pb-60"><div class="container"><h2 class="landing-block-node-title">Spring Sale</h2><p class="landing-block-node-text" bxstyle="color:#1d1d1d;">15% discount until the end of the month</p></div></section>',
              preventHistory: true,
            },
            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('Block content update result:', 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 updateBlockContent() {
            try {
              // Initialize the SDK inside a Bitrix24 frame
              const $b24 = await B24Js.initializeB24Frame()
        
              const response = await $b24.actions.v2.call.make({
                method: 'landing.block.updatecontent',
                params: {
                  lid: 311,
                  block: 6058,
                  content: '<section class="g-pt-60 g-pb-60"><div class="container"><h2 class="landing-block-node-title">Spring Sale</h2><p class="landing-block-node-text" bxstyle="color:#1d1d1d;">15% discount until the end of the month</p></div></section>',
                  preventHistory: true,
                },
                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('Block content update result:', result)
            } catch (error) {
              // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
              console.error(error)
            }
          }
        
          document.addEventListener('DOMContentLoaded', updateBlockContent)
        </script>
        

from b24pysdk.errors import BitrixAPIError, BitrixSDKException
        
        try:
            bitrix_response = client.landing.block.updatecontent(
                lid=311,
                block=6058,
                content='<section class="landing-block"><div class="container"><h2>About us</h2><p>New block content</p></div></section>',
                prevent_history=True,
            ).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.block.updatecontent',
                    [
                        'lid' => 311,
                        'block' => 6058,
                        'content' => '<section class="g-pt-60 g-pb-60"><div class="container"><h2 class="landing-block-node-title">Spring Promotion</h2><p class="landing-block-node-text" bxstyle="color:#1d1d1d;">15% discount until the end of the month</p></div></section>',
                        'preventHistory' => true,
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Block update result: ' . var_export($result, true);
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error updating block content: ' . $e->getMessage();
        }
        

BX24.callMethod(
            'landing.block.updatecontent',
            {
                lid: 311,
                block: 6058,
                content: '<section class="g-pt-60 g-pb-60"><div class="container"><h2 class="landing-block-node-title">Spring Promotion</h2><p class="landing-block-node-text" bxstyle="color:#1d1d1d;">15% discount until the end of the month</p></div></section>',
                preventHistory: true
            },
            function(result)
            {
                if (result.error())
                {
                    console.error(result.error());
                }
                else
                {
                    console.info('Block update result:', result.data());
                }
            }
        );
        

require_once('crest.php');
        
        $result = CRest::call(
            'landing.block.updatecontent',
            [
                'lid' => 311,
                'block' => 6058,
                'content' => '<section class="g-pt-60 g-pb-60"><div class="container"><h2 class="landing-block-node-title">Spring Promotion</h2><p class="landing-block-node-text" bxstyle="color:#1d1d1d;">15% discount until the end of the month</p></div></section>',
                'preventHistory' => true,
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';
        

// client and ctx are already created — see the Go SDK section
        res, err := client.Core().Call(ctx, "landing.block.updatecontent", b24.Params{
        	"lid":            311,
        	"block":          6058,
        	"content":        "<section class=\"g-pt-60 g-pb-60\"><div class=\"container\"><h2 class=\"landing-block-node-title\">Spring sale</h2><p class=\"landing-block-node-text\" bxstyle=\"color:#1d1d1d;\">15% off until the end of the month</p></div></section>",
        	"preventHistory": true,
        })
        if err != nil {
        	return fmt.Errorf("landing.block.updatecontent: %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)