def _send_c_echo_rq(event):
    """Logging handler for when a C-ECHO-RQ is sent.

    **C-ECHO Request Parameters**

    | (M) Message ID
    | (M) Affected SOP Class UID

    Parameters
    ----------
    event : events.Event
        The evt.EVT_DIMSE_SENT event that occurred.
    """
    pass
