def METHOD_NAME(kwargs=None):
    """screen_capture_now - save a screenshot
    :Parameters:
    - `kwargs`: g.command arguments
    """
    if kwargs is None:
        kwargs = {}
    if not hasattr(g, '_recorder'):
        g._recorder = Recorder()
    c = g.app.commanders()[0]
    dirname = c.config.getString("screen-capture-save-path")
    if not dirname:
        dirname = g.os_path_join(
            g.computeHomeDir(),
            '.leo',
            'screen_captures'
        )
    dirname = g.finalize(dirname)
    if not g.os_path_isdir(dirname):
        os.makedirs(dirname)
    filename = g.os_path_join(
        dirname,
        time.strftime('%Y-%m-%dT%H-%M-%S') + '.png'
    )
    g._recorder.grab_frame(filename=filename)
    # *only* print, don't want output messing up log view in screen shots
    print("Screenshot: %s" % filename)