diff --git a/lib/cloudevent.js b/lib/cloudevent.js
index 2d5bb7a..973049c 100644
--- a/lib/cloudevent.js
+++ b/lib/cloudevent.js
@@ -2,11 +2,19 @@ var Spec_0_1          = require('./specs/spec_0_1.js');
 var Spec_0_2          = require('./specs/spec_0_2.js');
 var JSONFormatter_0_1 = require('./formats/json_0_1.js');
 
+/*
+ * Class created using the Builder Design Pattern.
+ *
+ * https://en.wikipedia.org/wiki/Builder_pattern
+ */
 function Cloudevent(_spec, _formatter){
   this.spec      = (_spec) ? new _spec(Cloudevent) : new Spec_0_1(Cloudevent);
   this.formatter = (_formatter) ? _formatter : new JSONFormatter_0_1();
 }
 
+/*
+ * To format the payload using the formatter
+ */
 Cloudevent.prototype.format = function(){
   return this.formatter.format(this.spec.payload);
 }
@@ -25,10 +33,21 @@ Cloudevent.prototype.source = function(_source){
   return this;
 }
 
+/*
+ * Export the specs
+ */
 Cloudevent.specs = {
   '0.1': Spec_0_1,
   '0.2': Spec_0_2
 };
 
+/*
+ * Export the formats
+ */
+Cloudevent.formats = {
+  'json'   : JSONFormatter_0_1,
+  'json0.1': JSONFormatter_0_1
+};
+
 module.exports = Cloudevent;