Attach a list of contacts to a lead crm.lead.contact.items.set

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"id":1,"items":[{"CONTACT_ID":1010,"SORT":10,"IS_PRIMARY":"Y"},{"CONTACT_ID":1020,"SORT":20,"IS_PRIMARY":"N"}],"auth":"**put_access_token_here**"}' \
        https://**put_your_bitrix24_address**/rest/crm.lead.contact.items.set
        

// 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>({
            method: 'crm.lead.contact.items.set',
            params: {
              id: 1,
              items: [
                {
                  CONTACT_ID: 1010,
                  SORT: 10,
                  IS_PRIMARY: 'Y',
                },
                {
                  CONTACT_ID: 1020,
                  SORT: 20,
                  IS_PRIMARY: 'N',
                },
              ],
            },
            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('Lead contacts set:', 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 setLeadContactItems() {
            try {
              // Initialize the SDK inside a Bitrix24 frame
              const $b24 = await B24Js.initializeB24Frame()
        
              const response = await $b24.actions.v2.call.make({
                method: 'crm.lead.contact.items.set',
                params: {
                  id: 1,
                  items: [
                    {
                      CONTACT_ID: 1010,
                      SORT: 10,
                      IS_PRIMARY: 'Y',
                    },
                    {
                      CONTACT_ID: 1020,
                      SORT: 20,
                      IS_PRIMARY: 'N',
                    },
                  ],
                },
                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('Lead contacts set:', result)
            } catch (error) {
              // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
              console.error(error)
            }
          }
        
          document.addEventListener('DOMContentLoaded', setLeadContactItems)
        </script>
        

        from b24pysdk.errors import BitrixAPIError, BitrixSDKException
        
        try:
            bitrix_response = client.crm.lead.contact.items.set(
                bitrix_id=1,
                items=[
                {"CONTACT_ID": 1010, "SORT": 10, "IS_PRIMARY": "Y"},
                {"CONTACT_ID": 1020, "SORT": 20, "IS_PRIMARY": "N"},
                ],
            ).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.lead.contact.items.set',
                    [
                        'id'    => 1,
                        'items' => [
                            [
                                'CONTACT_ID' => 1010,
                                'SORT'       => 10,
                                'IS_PRIMARY' => 'Y',
                            ],
                            [
                                'CONTACT_ID' => 1020,
                                'SORT'       => 20,
                                'IS_PRIMARY' => 'N',
                            ],
                        ],
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . var_export($result[0], true);
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error setting lead contact items: ' . $e->getMessage();
        }
        

BX24.callMethod(
            "crm.lead.contact.items.set",
            {
                id: 1,
                items: [
                    {
                        "CONTACT_ID": 1010,
                        "SORT": 10,
                        "IS_PRIMARY": "Y"
                    },
                    {
                        "CONTACT_ID": 1020,
                        "SORT": 20,
                        "IS_PRIMARY": "N"
                    }
                ]
            },
            result => {
                if (result.error())
                    console.error(result.error());
                else
                    console.dir(result.data());
            }
        );
        

require_once('crest.php');
        
        $result = CRest::call(
            'crm.lead.contact.items.set',
            [
                'id' => 1,
                'items' => [
                    [
                        'CONTACT_ID' => 1010,
                        'SORT' => 10,
                        'IS_PRIMARY' => 'Y'
                    ],
                    [
                        'CONTACT_ID' => 1020,
                        'SORT' => 20,
                        'IS_PRIMARY' => 'N'
                    ]
                ]
            ]
        );
        
        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.lead.contact.items.set", b24.Params{
        	"id": 1,
        	"items": []b24.Params{
        		{
        			"CONTACT_ID": 1010,
        			"SORT":       10,
        			"IS_PRIMARY": "Y",
        		},
        		{
        			"CONTACT_ID": 1020,
        			"SORT":       20,
        			"IS_PRIMARY": "N",
        		},
        	},
        })
        if err != nil {
        	return fmt.Errorf("crm.lead.contact.items.set: %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)