def METHOD_NAME(
    symbol: str,
    export: str = "",
    sheet_name: Optional[str] = None,
    external_axes: bool = False,
) -> Union[None, OpenBBFigure]:
    """Plots liquidation per day data for a certain cryptocurrency
    [Source: https://coinglass.github.io/API-Reference/#liquidation-chart]
    Parameters
    ----------
    symbol : str
        Crypto symbol to search open interest (e.g., BTC)
    export : str
        Export dataframe data to csv,json,xlsx file
    sheet_name: str
        Optionally specify the name of the sheet the data is exported to.
    external_axes : bool, optional
        Whether to return the figure object or not, by default False
    """
    df = get_liquidations(symbol)
    if df.empty:
        return None
    fig = plot_data_bar(
        df,
        symbol,
        f"Total liquidations for {symbol}",
        "Liquidations value [$]",
        True,
    )
    export_data(
        export,
        os.path.dirname(os.path.abspath(__file__)),
        "liquidations",
        df,
        sheet_name,
        fig,
    )
    return fig.show(external=external_axes)