crm.activity.todo.updateResponsibleUser

curl -X POST \
-H "Content-Type: application/json" \
-H "Accept: application/json" \
-d '{"id":999,"ownerTypeId":2,"ownerId":1,"responsibleId":5,"auth":"**put_access_token_here**"}' \
https://**put_your_bitrix24_address**/rest/crm.activity.todo.updateResponsibleUser

// 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 UpdateResponsibleUserResult = {
  id: number
}

try {
  const response = await $b24.actions.v2.call.make<UpdateResponsibleUserResult>({
    method: 'crm.activity.todo.updateResponsibleUser',
    params: {
      id: 999,
      ownerTypeId: 2,
      ownerId: 1,
      responsibleId: 5,
    },
    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 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 updateResponsibleUser() {
    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.updateResponsibleUser',
        params: {
          id: 999,
          ownerTypeId: 2,
          ownerId: 1,
          responsibleId: 5,
        },
        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 activity ID:', result.id)
    } catch (error) {
      // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
      console.error(error)
    }
  }

  document.addEventListener('DOMContentLoaded', updateResponsibleUser)
</script>

from b24pysdk.errors import BitrixAPIError, BitrixSDKException

try:
    bitrix_response = client.crm.activity.todo.update_responsible_user(
        bitrix_id=999,
        owner_type_id=2,
        owner_id=101,
        responsible_id=1,
    ).response
    result = bitrix_response.result
    print(result)
except BitrixAPIError as error:
    print(
        "Ошибка Bitrix API",
        f"error: {error.error}",
        f"error_description: {error.error_description}",
        sep="\n",
    )
except BitrixSDKException as error:
    print(f"Ошибка Bitrix SDK: {error.message}")
except Exception as error:
    print(f"Непредвиденная ошибка: {error}")

try {
    $response = $b24Service
        ->core
        ->call(
            'crm.activity.todo.updateResponsibleUser',
            [
                'id'           => 999,
                'ownerTypeId'  => 2,
                'ownerId'      => 1,
                'responsibleId' => 5
            ]
        );

    $result = $response
        ->getResponseData()
        ->getResult();

    if ($result->error()) {
        error_log($result->error());
    } else {
        echo 'Success: ' . print_r($result->data(), true);
    }

} catch (Throwable $e) {
    error_log($e->getMessage());
    echo 'Error updating responsible user: ' . $e->getMessage();
}

BX24.callMethod(
    "crm.activity.todo.updateResponsibleUser",
    {
        id: 999,
        ownerTypeId: 2,
        ownerId: 1,
        responsibleId: 5
    }, 
    result => {
        if (result.error())
            console.error(result.error());
        else
            console.dir(result.data());
    }
);

require_once('crest.php');

$result = CRest::call(
    'crm.activity.todo.updateResponsibleUser',
    [
        'id' => 999,
        'ownerTypeId' => 2,
        'ownerId' => 1,
        'responsibleId' => 5
    ]
);

echo '<PRE>';
print_r($result);
echo '</PRE>';

// client и ctx уже созданы — см. раздел «SDK для Go»
res, err := client.Core().Call(ctx, "crm.activity.todo.updateResponsibleUser", b24.Params{
	"id":            999,
	"ownerTypeId":   2,
	"ownerId":       1,
	"responsibleId": 5,
})
if err != nil {
	return fmt.Errorf("crm.activity.todo.updateResponsibleUser: %w", err)
}

var item struct {
	ID b24.ID `json:"id"`
}
if err := json.Unmarshal(res.Result, &item); err != nil {
	return fmt.Errorf("разбор ответа: %w", err)
}
fmt.Println(item.ID)