def securityEvent(symbol=None, token='', version=''):
    '''The Security event message is used to indicate events that apply to a security. A Security event message will be sent whenever such event occurs

    https://iexcloud.io/docs/api/#deep-security-event

    Args:
        symbol (string); Ticker to request
        token (string); Access token
        version (string); API version

    Returns:
        dict: result
    '''
    _raiseIfNotStr(symbol)
    if symbol:
        return _getJson('deep/security-event?symbols=' + symbol, token, version)
    return _getJson('deep/security-event', token, version)
The Security event message is used to indicate events that apply to a security. A Security event message will be sent whenever such event occurs

    https://iexcloud.io/docs/api/#deep-security-event

    Args:
        symbol (string); Ticker to request
        token (string); Access token
        version (string); API version

    Returns:
        dict: result