code: function setup(connection) {
  
                  var request = undefined;
                  var reply_to = undefined;
                  var response = undefined;
  
                  node.connection = connection;
  
                  // node connected
                  node.status({ fill: 'green', shape: 'dot', text: 'connected' });
  
                  node.sender = node.connection.open_sender({ target: {} });
  
                  // build receiver options
                  var receiver_options = {
                      source: {
                          address: node.address
                      }
                  };
                  node.receiver = node.connection.open_receiver(receiver_options);
  
                  node.receiver.on('message', function(context) {
  
                      // save request and reply_to address on AMQP message received
                      request = context.message;
                      reply_to = request.reply_to;
  
                      // provides the request and delivery as node output
                      var msg = {
                          payload: context.message,
                          delivery: context.delivery
                      };
                      node.send(msg);
                  });
  
                  node.connection.on('disconnected', function(context) {
                      // node disconnected
                      node.status({fill: 'red', shape: 'dot', text: 'disconnected' });
                  });
  
                  node.on('input', function(msg) {
                      // enough credits to send
                      if (node.sender.sendable()) {
  
                          if (reply_to) {
  
                              // fill the response with the provided one as input
                              response = msg.payload;
                              response.to = reply_to;
  
                              node.sender.send(response);
                          }
                      }
                  });
  
                  node.on('close', function() {
                      if (node.sender != null)
                          node.sender.detach();
                      if (node.receiver != null)
                          node.receiver.detach();
                      node.connection.close();
                  })
  
              }
docs: Node setup for creating receiver link for receiving the request
  and the sender for sending reply
  
  @param connection    Connection instance