docs: function agentCreated(ragent) {
    // only going to call certain agents
    if (ragent.info.name != "echoer") return
  
    console.log("remote agent created: " + JS(ragent.info))
  
    // add a listener for the agent's `echoed` event
    ragent.on("echoed", function(body) {
      console.log("agent", ragent.info.id, "event:    echoed, " + JS(body))
    })
  
    // send an `echo` request
    var body = {a:1}
    console.log("agent", ragent.info.id, "request:  echo,   " + JS(body))
    ragent.send("echo", body, function(err, body){
      // handle the response of the request
      if (err) throw err
      console.log("agent", ragent.info.id, "response: echo,   " + JS(body))
    })
  }