'Send a message to a user.'

def send_message(self, message='', **kwargs):

    from ciscosparkapi import SparkApiError
    try:
        title = ''
        if (kwargs.get(ATTR_TITLE) is not None):
            title = (kwargs.get(ATTR_TITLE) + ':    ')
        self._spark.messages.create(roomId=self._default_room, text=(title + message))
    except SparkApiError as api_error:
        _LOGGER.error('Could    not    send    CiscoSpark    notification.    Error:    %s', api_error)
