def main(mytimer: func.TimerRequest) -> None:
    """
    Main function to handle Luminar API requests.

    This function initializes the Luminar manager, requests and refreshes
    access tokens, handles Luminar API calls,
    and handles pagination to ensure all pages of data are retrieved. It uses
    a timer trigger to run at specified
    intervals.

    :param mytimer: func.TimerRequest, timer for triggering the function at
    specified intervals.

    Note:
    - This function will log an error message and exit if an access token
    cannot be retrieved or refreshed.
    - If no more indicators are left to ingest, the function will log an
    informational message and stop iterating over
    the pages.
    - The function will save a timestamp after each run.
    """

    if mytimer.past_due:
        logging.info("The timer is past due!")
        return

    try:
        if not is_valid_date(luminar_initial_fetch_date):
            logging.error("Invalid initial fetch date. Format should be YYYY-MM-DD")
            return

        luminar_manager = LuminarManager(
            luminar_client_id,
            luminar_client_secret,
            luminar_account_id,
            LUMINAR_BASE_URL,
        )
        # Getting access token
        access_token, message = luminar_manager.access_token()

        if not access_token:
            logging.error("Failed to get access token: %s", message)
            return

        headers = {"Authorization": f"Bearer {access_token}"}

        taxii_collection = luminar_manager.get_taxi_collections(headers)
        if not taxii_collection:
            return

        params = {"limit": 9999}
        last_checkpoint = (
            get_last_saved_timestamp()
            or f"{luminar_initial_fetch_date}T00:00:00.000000Z"
        )

        logging.info("Getting records added after timestamp: %s", last_checkpoint)
        params["added_after"] = str(last_checkpoint)  # type: ignore

        next_checkpoint = get_timestamp()
        ioc_records = luminar_manager.get_collection_objects(
            headers, taxii_collection["iocs"], params
        )
        leaked_records = luminar_manager.get_collection_objects(
            headers, taxii_collection["leakedrecords"], params
        )

        logging.info("IOC records found: %s", len(ioc_records))
        logging.info("Leaked records found: %s", len(leaked_records))

        from_date = datetime.strptime(last_checkpoint, LUMINAR_DATE_FORMAT)

        ioc_and_leaked_records = ioc_records + leaked_records
        ioc_and_leaked_records = [
            record
            for record in ioc_and_leaked_records
            if not record.get("created")
            or check_created_date(record.get("created", ""), from_date)
        ]
        logging.info(
            "Filtered records based on created date: %s", len(ioc_and_leaked_records)
        )

        luminar_api_fetch(ioc_and_leaked_records)
        if BATCH_DATA:
            logging.info("Batching %s records", len(BATCH_DATA))
            save_batch_data(BATCH_DATA)

        save_checkpoint(next_checkpoint)
        logging.info("Checkpoint created for next run: %s", next_checkpoint)

    except Exception as err:
        logging.error("Error occurred during API call: %s", err)

    Main function to handle Luminar API requests.

    This function initializes the Luminar manager, requests and refreshes
    access tokens, handles Luminar API calls,
    and handles pagination to ensure all pages of data are retrieved. It uses
    a timer trigger to run at specified
    intervals.

    :param mytimer: func.TimerRequest, timer for triggering the function at
    specified intervals.

    Note:
    - This function will log an error message and exit if an access token
    cannot be retrieved or refreshed.
    - If no more indicators are left to ingest, the function will log an
    informational message and stop iterating over
    the pages.
    - The function will save a timestamp after each run.
    
Solutions/CognyteLuminar/Data Connectors/CognyteLuminar/main.py