diff --git a/a8/reflect.h b/a8/reflect.h
index 2c822cc..4da1f01 100644
--- a/a8/reflect.h
+++ b/a8/reflect.h
@@ -78,6 +78,16 @@ namespace a8
                 return fields_;
             }
 
+            Field* GetFieldByName(const std::string& name)
+            {
+                for (int i = 0; i < FieldNum(); ++i) {
+                    if (name == fields_[i].field_name) {
+                        return &fields_[i];
+                    }
+                }
+                return nullptr;
+            }
+
             int FieldNum()
             {
                 return fieldnum_;