diff --git a/lib/bindings/http/emitter_binary_0_2.js b/lib/bindings/http/emitter_binary_0_2.js
index 08f0405..ce6e976 100644
--- a/lib/bindings/http/emitter_binary_0_2.js
+++ b/lib/bindings/http/emitter_binary_0_2.js
@@ -13,11 +13,11 @@ const Headers02 = {
   EXTENSIONS_PREFIX : "ce-"
 };
 
-const required_attributes = [];
-required_attributes.push(Headers02.TYPE);
-required_attributes.push(Headers02.SPEC_VERSION);
-required_attributes.push(Headers02.SOURCE);
-required_attributes.push(Headers02.ID);
+const required_headers = [];
+required_headers.push(Headers02.TYPE);
+required_headers.push(Headers02.SPEC_VERSION);
+required_headers.push(Headers02.SOURCE);
+required_headers.push(Headers02.ID);
 
 function validate_args(payload, attributes) {
   if(!payload){
@@ -45,18 +45,24 @@ function HTTPBinary02(configuration){
       Constants.MIME_CE_JSON + "; charset=" + Constants.CHARSET_DEFAULT;
 }
 
-HTTPBinary02.prototype.check = function(payload, attributes) {
+HTTPBinary02.prototype.check = function(payload, headers) {
   // Validation Level 0
-  validate_args(payload, attributes);
+  validate_args(payload, headers);
 
   // Validation Level 1
-  for(i in required_attributes){
-    if(!attributes[required_attributes[i]]){
-      throw {message: "header '" + required_attributes[i] + "' not found"};
+  for(i in required_headers){
+    if(!headers[required_headers[i]]){
+      throw {message: "header '" + required_headers[i] + "' not found"};
     }
   }
 
+  // No erros! Its contains the minimum required attributes
+}
 
+HTTPBinary02.prototype.parse = function(payload, headers) {
+  this.check(payload, headers);
+
+  
 }
 
 HTTPBinary02.prototype.emit = function(cloudevent){