The exposed RPC methods of provided services in Node.js programs have access to their connection object. The connection object is passed as an argument in the exposed RPC methods. See the RPC Basics section for more information about the arguments RPC methods must define.

function setTemperature(degrees, unit)
  {
  var connObj = arguments[arguments.length - 1];
  }

The connection object:

{
isSecure: boolean,
requestId: string,
connectionId: string
}