Changelog. Update 1.1.0.md

changelog/1.1.0.md

@@ -12,6 +12,7 @@ Contents:
 - [Type oatpp::Any](#type-oatppany)
 - [Type oatpp::Enum](#object-mapping-enum)
 - [DTO - Hashcode & Equals](#dto-hashcode-and-equals)
+- [DTO - Fields Annotation](#dto-fields-annotation)
 
 ## No more explicit ObjectWrapper
 
@@ -297,3 +298,25 @@ The `DTO_HC_EQ` macro works taking into account the `DTO_HC_EQ` declared in the
 If no `DTO_HC_EQ` is declared in none of the DTO's parent classes the default behavior is:
 - `std::hash` - is `v_uint64` representation of object address.
 - operators `==` and `!=` - is comparison of object addresses.
+
+## DTO Fields Annotation
+
+Now it's possible to add a description for DTO fields, which will be automatically
+displayed in swagger-UI.
+
+```cpp
+class MyDto : public oatpp::Object {
+
+  DTO_INIT(MyDto, Object)
+
+  DTO_FIELD_INFO(id) {
+    info->description = "identifier";
+  }
+  DTO_FIELD(String, id);
+
+};
+```
+
+*Note: The `description` is currently the only info you can add to the DTO field 
+(This may be extended later). In order to provide the list of possible values - use the 
+new Enum feature - [Type oatpp::Enum](#object-mapping-enum).*