Установить набор контактов, связанных с указанной сделкой crm.deal.contact.items.set

curl -X POST \
-H "Content-Type: application/json" \
-H "Accept: application/json" \
-d '{"id":1875,"items":[{"CONTACT_ID":55,"IS_PRIMARY":"Y","SORT":100},{"CONTACT_ID":54,"SORT":200},{"CONTACT_ID":56,"SORT":400}],"auth":"**put_access_token_here**"}' \
https://**put_your_bitrix24_address**/rest/crm.deal.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.deal.contact.items.set',
    params: {
      id: 1875,
      items: [
        {
          CONTACT_ID: 55,
          IS_PRIMARY: 'Y',
          SORT: 100,
        },
        {
          CONTACT_ID: 54,
          SORT: 200,
        },
        {
          CONTACT_ID: 56,
          SORT: 400,
        },
      ],
    },
    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('Deal 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 setDealContactItems() {
    try {
      // Initialize the SDK inside a Bitrix24 frame
      const $b24 = await B24Js.initializeB24Frame()

      const response = await $b24.actions.v2.call.make({
        method: 'crm.deal.contact.items.set',
        params: {
          id: 1875,
          items: [
            {
              CONTACT_ID: 55,
              IS_PRIMARY: 'Y',
              SORT: 100,
            },
            {
              CONTACT_ID: 54,
              SORT: 200,
            },
            {
              CONTACT_ID: 56,
              SORT: 400,
            },
          ],
        },
        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('Deal contacts set:', result)
    } catch (error) {
      // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
      console.error(error)
    }
  }

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

from b24pysdk.errors import BitrixAPIError, BitrixSDKException

try:
    bitrix_response = client.crm.deal.contact.items.set(
        bitrix_id=123,
        items=[
            {
                "CONTACT_ID": 456,
                "SORT": 10,
                "IS_PRIMARY": "Y",
            },
            {
                "CONTACT_ID": 789,
                "SORT": 20,
                "IS_PRIMARY": "N",
            },
        ],
    ).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.deal.contact.items.set',
            [
                'id'    => 1875,
                'items' => [
                    [
                        'CONTACT_ID' => 55,
                        'IS_PRIMARY' => 'Y',
                        'SORT'       => 100,
                    ],
                    [
                        'CONTACT_ID' => 54,
                        'SORT'       => 200,
                    ],
                    [
                        'CONTACT_ID' => 56,
                        'SORT'       => 400,
                    ],
                ],
            ]
        );

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

    if ($result->error()) {
        echo 'Error: ' . $result->error();
    } else {
        echo 'Success: ' . print_r($result->data(), true);
        // Нужная вам логика обработки данных
        processData($result->data());
    }

} catch (Throwable $e) {
    error_log($e->getMessage());
    echo 'Error setting deal contact items: ' . $e->getMessage();
}

BX24.callMethod(
    'crm.deal.contact.items.set',
    {
        id: 1875,
        items: [
            {
                CONTACT_ID: 55,
                IS_PRIMARY: "Y",
                SORT: 100,
            },
            {
                CONTACT_ID: 54,
                SORT: 200,
            },
            {
                CONTACT_ID: 56,
                SORT: 400,
            }
        ],
    },
    (result) => {
        result.error()
            ? console.error(result.error())
            : console.info(result.data())
        ;
    },
);

require_once('crest.php');

$result = CRest::call(
    'crm.deal.contact.items.set',
    [
        'id' => 1875,
        'items' => [
            [
                'CONTACT_ID' => 55,
                'IS_PRIMARY' => 'Y',
                'SORT' => 100,
            ],
            [
                'CONTACT_ID' => 54,
                'SORT' => 200,
            ],
            [
                'CONTACT_ID' => 56,
                'SORT' => 400,
            ]
        ]
    ]
);

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

// client и ctx уже созданы — см. раздел «SDK для Go»
res, err := client.Core().Call(ctx, "crm.deal.contact.items.set", b24.Params{
	"id": 1875,
	"items": []b24.Params{
		{
			"CONTACT_ID": 55,
			"IS_PRIMARY": "Y",
			"SORT":       100,
		},
		{
			"CONTACT_ID": 54,
			"SORT":       200,
		},
		{
			"CONTACT_ID": 56,
			"SORT":       400,
		},
	},
})
if err != nil {
	return fmt.Errorf("crm.deal.contact.items.set: %w", err)
}

var ok bool
if err := json.Unmarshal(res.Result, &ok); err != nil {
	return fmt.Errorf("разбор ответа: %w", err)
}
fmt.Println("выполнено:", ok)