###This is a processing callback plugin. Create a callback manager.

var callbackManager = require("callback-manager").create();

Create a counter.

callbackManager.create("success");

Add a receiver to callback.

setTimeout(callbackManager.getReceiver("success"),100);

Add second receiver to callback.

setTimeout(callbackManager.getReceiver("success"),150);

Process result when two callback is called.

callbackManager.done( "success", function(){ console.log("success"); });

###Run example node example/sample.js