Get the List of Checklist Items task.checklistitem.getlist

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"TASKID":8017,"ORDER":{"IS_COMPLETE":"ASC"},"auth":"**put_access_token_here**"}' \
        https://**put_your_bitrix24_address**/rest/task.checklistitem.getlist
        

// 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
        
        type ChecklistItem = {
          ID: string
          TASK_ID: string
          PARENT_ID: string
          CREATED_BY: string
          TITLE: string
          SORT_INDEX: string
          IS_COMPLETE: 'Y' | 'N'
          IS_IMPORTANT: 'Y' | 'N'
          TOGGLED_BY: string | null
          TOGGLED_DATE: ISODate | null
          MEMBERS: Array<{
            ID: string
            TYPE: string
            NAME: string
            PERSONAL_PHOTO: string
            PERSONAL_GENDER: string
            IMAGE: string
            IS_COLLABER: boolean
          }>
          ATTACHMENTS: Record<string, {
            ATTACHMENT_ID: number
            NAME: string
            SIZE: string
            FILE_ID: string
            DOWNLOAD_URL: string
            VIEW_URL: string
          }>
        }
        
        try {
          // task.checklistitem.getlist returns a single page (max 50 records). For the whole result set
          // use a list helper: $b24.actions.v2.callList.make() returns every record as one
          // array, $b24.actions.v2.fetchList.make() yields them in chunks (async generator).
          // NOTE: the list helpers do not accept `order` (it is excluded from their params, so
          // passing it is a TS error) — keep this call.make + `start` variant when sort matters.
          const response = await $b24.actions.v2.call.make<ChecklistItem[]>({
            method: 'task.checklistitem.getlist',
            params: {
              TASKID: 8017,
              ORDER: {
                IS_COMPLETE: 'ASC',
              },
              start: 0,
            },
            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('Checklist items count:', result.length, 'First item:', result[0]?.ID, result[0]?.TITLE)
          }
        } 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 getChecklistItems() {
            try {
              // Initialize the SDK inside a Bitrix24 frame
              const $b24 = await B24Js.initializeB24Frame()
        
              // task.checklistitem.getlist returns a single page (max 50 records). For the whole result set
              // use a list helper: $b24.actions.v2.callList.make() returns every record as one
              // array, $b24.actions.v2.fetchList.make() yields them in chunks (async generator).
              // NOTE: the list helpers do not accept `order` (it is excluded from their params, so
              // passing it is a TS error) — keep this call.make + `start` variant when sort matters.
              const response = await $b24.actions.v2.call.make({
                method: 'task.checklistitem.getlist',
                params: {
                  TASKID: 8017,
                  ORDER: {
                    IS_COMPLETE: 'ASC',
                  },
                  start: 0,
                },
                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('Checklist items count:', result.length, 'First item:', result[0]?.ID, result[0]?.TITLE)
            } catch (error) {
              // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
              console.error(error)
            }
          }
        
          document.addEventListener('DOMContentLoaded', getChecklistItems)
        </script>
        

from b24pysdk.errors import BitrixAPIError, BitrixSDKException
        
        order = {
            "IS_COMPLETE": "ASC",
        }
        
        try:
            bitrix_response = client.task.checklistitem.getlist(
                task_id=8017,
                order=order,
            ).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(
                    'task.checklistitem.getlist',
                    [
                        'TASKID' => 8017,
                        'ORDER' => [
                            'IS_COMPLETE' => 'ASC'
                        ]
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
            processData($result);
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error fetching checklist items: ' . $e->getMessage();
        }
        

BX24.callMethod(
            'task.checklistitem.getlist',
            {
                'TASKID': 8017,
                'ORDER': {
                    'IS_COMPLETE': 'ASC'
                }
            },
            function(result){
                console.info(result.data());
                console.log(result);
            }
        );
        

require_once('crest.php');
        
        $result = CRest::call(
            'task.checklistitem.getlist',
            [
                'TASKID' => 8017,
                'ORDER' => [
                    'IS_COMPLETE' => 'ASC'
                ]
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';
        

// client and ctx are already created — see the Go SDK section
        res, err := client.Core().Call(ctx, "task.checklistitem.getlist", b24.Params{
        	"TASKID": 8017,
        	"ORDER": b24.Params{
        		"IS_COMPLETE": "ASC",
        	},
        }, b24.WithIdempotent())
        if err != nil {
        	return fmt.Errorf("task.checklistitem.getlist: %w", err)
        }
        
        var items []struct {
        	ID        b24.ID `json:"ID"`
        	TaskID    b24.ID `json:"TASK_ID"`
        	ParentID  b24.ID `json:"PARENT_ID"`
        	CreatedBy string `json:"CREATED_BY"`
        	Title     string `json:"TITLE"`
        	SortIndex string `json:"SORT_INDEX"`
        }
        if err := json.Unmarshal(res.Result, &items); err != nil {
        	return fmt.Errorf("parse response: %w", err)
        }
        for _, it := range items {
        	fmt.Println(it.ID, it.TaskID)
        }