def swap_memory():
    '''
    .. versionadded:: 2014.7.0

    Return a dict that describes swap memory statistics.

    .. note::

        This function is only available in psutil version 0.6.0 and above.

    CLI Example:

    .. code-block:: bash

        salt '*' ps.swap_memory
    '''
    if psutil.version_info < (0, 6, 0):
        msg = 'swap_memory is only available in psutil 0.6.0 or greater'
        raise CommandExecutionError(msg)
    return dict(psutil.swap_memory()._asdict())