Update Universal Activity crm.activity.todo.update

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"id":999,"ownerTypeId":2,"ownerId":1,"deadline":"2026-11-04T15:00:00+01:00","title":"New case title","description":"New case description","responsibleId":1,"pingOffsets":[15,30],"colorId":"7","auth":"**put_access_token_here**"}' \
        https://**put_your_bitrix24_address**/rest/crm.activity.todo.update
        

// 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
        
        // Shape of the payload returned in result (match the "response handling" section of the page)
        type TodoUpdateResult = {
          id: number,
        }
        
        try {
          const response = await $b24.actions.v2.call.make<TodoUpdateResult>({
            method: 'crm.activity.todo.update',
            params: {
              id: 999,
              ownerTypeId: 2,
              ownerId: 1,
              deadline: '2026-11-04T15:00:00+01:00',
              title: 'New activity title',
              description: 'New activity description',
              responsibleId: 1,
              pingOffsets: [15, 30],
              colorId: '7',
            },
            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('Updated todo activity id:', result.id)
          }
        } 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 updateTodoActivity() {
            try {
              // Initialize the SDK inside a Bitrix24 frame
              const $b24 = await B24Js.initializeB24Frame()
        
              const response = await $b24.actions.v2.call.make({
                method: 'crm.activity.todo.update',
                params: {
                  id: 999,
                  ownerTypeId: 2,
                  ownerId: 1,
                  deadline: '2026-11-04T15:00:00+01:00',
                  title: 'New activity title',
                  description: 'New activity description',
                  responsibleId: 1,
                  pingOffsets: [15, 30],
                  colorId: '7',
                },
                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('Updated todo activity id:', result.id)
            } catch (error) {
              // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
              console.error(error)
            }
          }
        
          document.addEventListener('DOMContentLoaded', updateTodoActivity)
        </script>
        

        from datetime import datetime, timedelta
        
        from b24pysdk.errors import BitrixAPIError, BitrixSDKException
        
        try:
            bitrix_response = client.crm.activity.todo.update(
                bitrix_id=999,
                owner_type_id=2,
                owner_id=1,
                deadline=datetime.now() + timedelta(days=2),
                title="Updated follow-up",
                description="Send updated proposal",
                responsible_id=1,
                ping_offsets=[15, 30],
                color_id="7",
            ).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(
                    'crm.activity.todo.update',
                    [
                        'id'            => 999,
                        'ownerTypeId'   => 2,
                        'ownerId'       => 1,
                        'deadline'      => (new DateTime('+1 day'))->format(DATE_ATOM),
                        'title'         => 'New case title',
                        'description'   => 'New case description',
                        'responsibleId' => 1,
                        'pingOffsets'   => [15, 30],
                        'colorId'       => '7'
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            print_r($result);
        } catch (Throwable $e) {
            echo $e->getMessage();
        }
        

BX24.callMethod(
            "crm.activity.todo.update",
            {
                id: 999,
                ownerTypeId: 2,
                ownerId: 1,
                deadline: new Date().toISOString(),
                title: 'New case title',
                description: 'New case description',
                responsibleId: 1,
                pingOffsets: [15, 30],
                colorId: '7'
            },
            result => {
                if (result.error())
                    console.error(result.error());
                else
                    console.dir(result.data());
            }
        );
        

require_once('crest.php');
        
        $result = CRest::call(
            'crm.activity.todo.update',
            [
                'id' => 999,
                'ownerTypeId' => 2,
                'ownerId' => 1,
                'deadline' => date('c', strtotime('+1 day')), // Tomorrow at the same time in ISO 8601 format
                'title' => 'New case title',
                'description' => 'New case description',
                'responsibleId' => 1,
                'pingOffsets' => [15, 30],
                'colorId' => '7'
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';
        

// client and ctx are already created — see the Go SDK section
        res, err := client.Core().Call(ctx, "crm.activity.todo.update", b24.Params{
        	"id":            999,
        	"ownerTypeId":   2,
        	"ownerId":       1,
        	"deadline":      time.Now().Add(24 * time.Hour).Format(time.RFC3339),
        	"title":         "New case title",
        	"description":   "New case description",
        	"responsibleId": 1,
        	"pingOffsets":   []int{15, 30},
        	"colorId":       "7",
        })
        if err != nil {
        	return fmt.Errorf("crm.activity.todo.update: %w", err)
        }
        
        var item struct {
        	ID b24.ID `json:"id"`
        }
        if err := json.Unmarshal(res.Result, &item); err != nil {
        	return fmt.Errorf("parse response: %w", err)
        }
        fmt.Println(item.ID)