public function delete_message($client, $msg)
    {
        $decodedClient = is_object($client) ? $client : json_decode($client);
        $this->sqs->deleteMessage(array(
                'QueueUrl'        => $decodedClient->{'queues'}->{'output'},
                'ReceiptHandle'   => $msg['ReceiptHandle']));
        
        return true;
    }