//Declare queue name. This can be anything you like
string QueueName = "QTransactions";
// Create a new connection factory for the queue
var factory = new ConnectionFactory();

// Because Rabbit is installed locally, we can run it on localhost
factory.HostName = "127.0.0.1";
using (IConnection connection = factory.CreateConnection())
using (IModel channel = connection.CreateModel())
{
    // mark all messages as persistent
    const bool durable = true;
    channel.QueueDeclare(QueueName, durable, false, false, null);

    // Set delivery mode (1 = non Persistent | 2 = Persistent)
    IBasicProperties props = channel.CreateBasicProperties();
    props.DeliveryMode = 2;
    string msg = args[0];
    byte[] body = System.Text.Encoding.UTF8.GetBytes(msg);
    channel.BasicPublish("", QueueName, props, body);
    Console.WriteLine(" [x] Sent {0}", msg);                
}