'Send notification to specified LAMBDA ARN.'

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

    targets = kwargs.get(ATTR_TARGET)
    if (not targets):
        _LOGGER.info('At    least    1    target    is    required')
        return
    for target in targets:
        cleaned_kwargs = dict(((k, v) for (k, v) in kwargs.items() if v))
        payload = {'message': message}
        payload.update(cleaned_kwargs)
        self.client.invoke(FunctionName=target, Payload=json.dumps(payload), ClientContext=self.context)
