diff --git a/a8/xobject.cc b/a8/xobject.cc
index 671a83c..0af198d 100644
--- a/a8/xobject.cc
+++ b/a8/xobject.cc
@@ -420,6 +420,15 @@ namespace a8
         }
     }
 
+    void XObject::ToKVList(std::map<std::string, std::string>& kv_list)
+    {
+        if (type_ == a8::XOT_OBJECT) {
+            for (auto& pair : *value_.object_value) {
+                kv_list[pair.first] = pair.second->AsXValue().GetString();
+            }
+        }
+    }
+
     void XObject::JsonValueToXObject(Json::Value& json_val, a8::XObject& xobject)
     {
         Json::ValueType val_type = json_val.type();
diff --git a/a8/xobject.h b/a8/xobject.h
index 1214d11..4e2d8ce 100644
--- a/a8/xobject.h
+++ b/a8/xobject.h
@@ -52,6 +52,7 @@ namespace a8
         void ToJsonStr(std::string& data);
         std::string ToJsonStr();
         void ToUrlEncodeStr(std::string& data);
+        void ToKVList(std::map<std::string, std::string>& kv_list);
 
     private:
         void JsonValueToXObject(Json::Value& json_val, a8::XObject& xobject);