im.notify.read

curl -X POST \
  -H "Content-Type: application/json" \
  -H "Accept: application/json" \
  -d '{"ID":101,"ACTION":"Y","ONLY_CURRENT":"Y","auth":"**put_access_token_here**"}' \
  https://**put_your_bitrix24_address**/rest/im.notify.read

// 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: 'im.notify.read',
    params: {
      ID: 101,
      ACTION: 'Y',
      ONLY_CURRENT: 'Y',
    },
    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('Notification marked as read:', 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 markNotificationRead() {
    try {
      // Initialize the SDK inside a Bitrix24 frame
      const $b24 = await B24Js.initializeB24Frame()

      const response = await $b24.actions.v2.call.make({
        method: 'im.notify.read',
        params: {
          ID: 101,
          ACTION: 'Y',
          ONLY_CURRENT: 'Y',
        },
        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('Notification marked as read:', result)
    } catch (error) {
      // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
      console.error(error)
    }
  }

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

from b24pysdk.errors import BitrixAPIError, BitrixSDKException

try:
    bitrix_response = client.im.notify.read(
        bitrix_id=101,
        action=True,
        only_current=True,
    ).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(
        'im.notify.read',
        [
            'ID' => 101,
            'ACTION' => 'Y',
            'ONLY_CURRENT' => 'Y',
        ]
    );

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

    if ($result->error()) {
        echo 'Error: ' . $result->error();
    } else {
        var_dump($result->data());
    }
} catch (Throwable $exception) {
    echo $exception->getMessage();
}

BX24.callMethod(
    'im.notify.read',
    {
        ID: 101,
        ACTION: 'Y',
        ONLY_CURRENT: 'Y',
    },
    function(result) {
        if (result.error()) {
            console.error(result.error().ex);
        } else {
            console.log(result.data());
        }
    }
);

require_once('crest.php');

$result = CRest::call(
    'im.notify.read',
    [
        'ID' => 101,
        'ACTION' => 'Y',
        'ONLY_CURRENT' => 'Y',
    ]
);

if (!empty($result['error'])) {
    echo 'Error: ' . $result['error_description'];
} else {
    var_dump($result['result']);
}

// client и ctx уже созданы — см. раздел «SDK для Go»
res, err := client.Core().Call(ctx, "im.notify.read", b24.Params{
	"ID":           101,
	"ACTION":       "Y",
	"ONLY_CURRENT": "Y",
})
if err != nil {
	return fmt.Errorf("im.notify.read: %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)