Add Checklist Item to Task Template tasks.template.checklist.add

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{
          "templateId": 139,
          "fields": {
            "TITLE": "4. Prepare the dashboard",
            "PARENT_ID": 23,
            "SORT_INDEX": 200,
            "IS_COMPLETE": "N",
            "IS_IMPORTANT": "Y",
            "MEMBERS": {
              "547": {
                "TYPE": "A"
              }
            }
          },
          "auth": "**put_access_token_here**"
        }' \
        https://**put_your_bitrix24_address**/rest/tasks.template.checklist.add
        

// 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 ChecklistItemResult = {
          checkListItem: {
            id: number
            copiedId: number | null
            userId: number
            createdBy: number
            parentId: number
            title: string
            sortIndex: number
            displaySortIndex: string
            isComplete: boolean
            isImportant: boolean
            completedCount: number
            members: { type: string; id: number }[]
            attachments: unknown[]
            nodeId: number | null
            templateId: number
          }
        }
        
        try {
          const response = await $b24.actions.v2.call.make<ChecklistItemResult>({
            method: 'tasks.template.checklist.add',
            params: {
              templateId: 139,
              fields: {
                TITLE: '4. Prepare the dashboard',
                PARENT_ID: 23,
                SORT_INDEX: 200,
                IS_COMPLETE: 'N',
                IS_IMPORTANT: 'Y',
                MEMBERS: {
                  547: {
                    TYPE: 'A',
                  },
                },
              },
            },
            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(result.checkListItem.id, result.checkListItem.title, result.checkListItem.isComplete)
          }
        } 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 addChecklistItem() {
            try {
              // Initialize the SDK inside a Bitrix24 frame
              const $b24 = await B24Js.initializeB24Frame()
        
              const response = await $b24.actions.v2.call.make({
                method: 'tasks.template.checklist.add',
                params: {
                  templateId: 139,
                  fields: {
                    TITLE: '4. Prepare the dashboard',
                    PARENT_ID: 23,
                    SORT_INDEX: 200,
                    IS_COMPLETE: 'N',
                    IS_IMPORTANT: 'Y',
                    MEMBERS: {
                      547: {
                        TYPE: 'A',
                      },
                    },
                  },
                },
                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(result.checkListItem.id, result.checkListItem.title, result.checkListItem.isComplete)
            } catch (error) {
              // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
              console.error(error)
            }
          }
        
          document.addEventListener('DOMContentLoaded', addChecklistItem)
        </script>
        

from b24pysdk.errors import BitrixAPIError, BitrixSDKException
        
        fields = {
            "TITLE": "4. Prepare the dashboard",
            "PARENT_ID": 23,
            "SORT_INDEX": 200,
            "IS_COMPLETE": "N",
            "IS_IMPORTANT": "Y",
            "MEMBERS": {
                547: {
                    "TYPE": "A",
                },
            },
        }
        
        try:
            bitrix_response = client.tasks.template.checklist.add(
                template_id=139,
                fields=fields,
            ).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(
                    'tasks.template.checklist.add',
                    [
                        'templateId' => 139,
                        'fields' => [
                            'TITLE' => '4. Prepare the dashboard',
                            'PARENT_ID' => 23,
                            'SORT_INDEX' => 200,
                            'IS_COMPLETE' => 'N',
                            'IS_IMPORTANT' => 'Y',
                            'MEMBERS' => [
                                547 => [
                                    'TYPE' => 'A'
                                ]
                            ]
                        ]
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            print_r($result);
        } catch (Throwable $e) {
            echo $e->getMessage();
        }
        

BX24.callMethod(
            'tasks.template.checklist.add',
            {
                templateId: 139,
                fields: {
                    TITLE: '4. Prepare the dashboard',
                    PARENT_ID: 23,
                    SORT_INDEX: 200,
                    IS_COMPLETE: 'N',
                    IS_IMPORTANT: 'Y',
                    MEMBERS: {
                        547: {
                            TYPE: 'A'
                        }
                    }
                }
            },
            function(result)
            {
                if (result.error())
                {
                    console.error(result.error());
                }
                else
                {
                    console.log(result.data());
                }
            }
        );
        

require_once('crest.php');
        
        $result = CRest::call(
            'tasks.template.checklist.add',
            [
                'templateId' => 139,
                'fields' => [
                    'TITLE' => '4. Prepare the dashboard',
                    'PARENT_ID' => 23,
                    'SORT_INDEX' => 200,
                    'IS_COMPLETE' => 'N',
                    'IS_IMPORTANT' => 'Y',
                    'MEMBERS' => [
                        547 => [
                            'TYPE' => 'A'
                        ]
                    ],
                ]
            ]
        );
        
        print_r($result);
        

// client and ctx are already created — see the Go SDK section
        res, err := client.Core().Call(ctx, "tasks.template.checklist.add", b24.Params{
        	"templateId": 139,
        	"fields": b24.Params{
        		"TITLE":        "4. Prepare the dashboard",
        		"PARENT_ID":    23,
        		"SORT_INDEX":   200,
        		"IS_COMPLETE":  "N",
        		"IS_IMPORTANT": "Y",
        		"MEMBERS": b24.Params{
        			"547": b24.Params{
        				"TYPE": "A",
        			},
        		},
        	},
        })
        if err != nil {
        	return fmt.Errorf("tasks.template.checklist.add: %w", err)
        }
        
        // The method wraps the response in an object with the "checkListItem" key.
        raw, ok := b24.Unwrap(res.Result, "checkListItem")
        if !ok {
        	return fmt.Errorf("no checkListItem key in the response")
        }
        
        var item struct {
        	ID        b24.ID `json:"id"`
        	UserID    b24.ID `json:"userId"`
        	CreatedBy int    `json:"createdBy"`
        	ParentID  b24.ID `json:"parentId"`
        	Title     string `json:"title"`
        	SortIndex int    `json:"sortIndex"`
        }
        if err := json.Unmarshal(raw, &item); err != nil {
        	return fmt.Errorf("parse response: %w", err)
        }
        fmt.Println(item.ID, item.UserID)