Retrieve a List of Offline Events With Cleanup event.offline.get

// 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

// Shape of the payload returned in result (match the "response handling" section of the page)
type OfflineGetResult = {
  process_id: string | null,
  events: {
    ID: string,
    TIMESTAMP_X: ISODate,
    EVENT_NAME: string,
    EVENT_DATA: unknown,
    EVENT_ADDITIONAL: unknown,
    MESSAGE_ID: string,
  }[],
}

try {
  const response = await $b24.actions.v2.call.make<OfflineGetResult>({
    method: 'event.offline.get',
    params: {
      filter: {
        '=MESSAGE_ID': 1,
        '=EVENT_NAME': 'ONCRMLEADADD',
        '>=ID': 1,
      },
      auth_connector: 'BxTest',
    },
    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('Offline events:', result.events, 'Process ID:', result.process_id)
  }
} 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 getOfflineEvents() {
    try {
      // Initialize the SDK inside a Bitrix24 frame
      const $b24 = await B24Js.initializeB24Frame()

      const response = await $b24.actions.v2.call.make({
        method: 'event.offline.get',
        params: {
          filter: {
            '=MESSAGE_ID': 1,
            '=EVENT_NAME': 'ONCRMLEADADD',
            '>=ID': 1,
          },
          auth_connector: 'BxTest',
        },
        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('Offline events:', result.events, 'Process ID:', result.process_id)
    } catch (error) {
      // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
      console.error(error)
    }
  }

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

try {
    $response = $b24Service
        ->core
        ->call(
            'event.offline.get',
            [
                'filter' => [
                    '=MESSAGE_ID' => 1,
                    '=EVENT_NAME' => 'ONCRMLEADADD',
                    '>=ID' => 1
                ],
                'auth_connector' => 'BxTest'
            ]
        );

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

    echo 'Success: ' . print_r($result, true);
    processData($result);

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

BX24.callMethod(
    "event.offline.get",
    {
        "filter": {
            "=MESSAGE_ID": 1,
            "=EVENT_NAME": "ONCRMLEADADD",
            ">=ID": 1
        }
        "auth_connector": "BxTest"
    },
    function(result)
    {
        if(result.error())
            console.error(result.error());
        else
            console.dir(result.data());
    }
);

require_once('crest.php');

$result = CRest::call(
    'event.offline.get',
    [
        'filter' => [
            '=MESSAGE_ID' => 1,
            '=EVENT_NAME' => 'ONCRMLEADADD',
            '>=ID' => 1
        ],
        'auth_connector' => 'BxTest'
    ]
);

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