diff --git a/code/Examples/C++/DDSHelloWorld/src/HelloWorld.cxx b/code/Examples/C++/DDSHelloWorld/src/HelloWorld.cxx
index bcda56fb4..ef9331d5d 100644
--- a/code/Examples/C++/DDSHelloWorld/src/HelloWorld.cxx
+++ b/code/Examples/C++/DDSHelloWorld/src/HelloWorld.cxx
@@ -27,6 +27,7 @@ char dummy;
 #endif  // _WIN32
 
 #include "HelloWorld.h"
+
 #include <fastcdr/Cdr.h>
 
 
@@ -36,9 +37,10 @@ using namespace eprosima::fastcdr::exception;
 #include <utility>
 
 
+
+
 HelloWorld::HelloWorld()
 {
-
 }
 
 HelloWorld::~HelloWorld()
@@ -65,7 +67,6 @@ HelloWorld& HelloWorld::operator =(
 
     m_index = x.m_index;
     m_message = x.m_message;
-
     return *this;
 }
 
@@ -75,7 +76,6 @@ HelloWorld& HelloWorld::operator =(
 
     m_index = x.m_index;
     m_message = std::move(x.m_message);
-
     return *this;
 }
 
@@ -162,3 +162,4 @@ std::string& HelloWorld::message()
 
 // Include auxiliary functions like for serializing/deserializing.
 #include "HelloWorldCdrAux.ipp"
+
diff --git a/code/Examples/C++/DDSHelloWorld/src/HelloWorld.h b/code/Examples/C++/DDSHelloWorld/src/HelloWorld.h
index 0c6d09801..b95bcb5b1 100644
--- a/code/Examples/C++/DDSHelloWorld/src/HelloWorld.h
+++ b/code/Examples/C++/DDSHelloWorld/src/HelloWorld.h
@@ -30,6 +30,7 @@
 #include <vector>
 
 #include <fastcdr/cdr/fixed_size_string.hpp>
+#include <fastcdr/xcdr/external.hpp>
 #include <fastcdr/xcdr/optional.hpp>
 
 
@@ -67,6 +68,8 @@ class CdrSizeCalculator;
 
 
 
+
+
 /*!
  * @brief This class represents the structure HelloWorld defined by the user in the IDL file.
  * @ingroup HelloWorld
@@ -182,3 +185,5 @@ class HelloWorld
 
 #endif // _FAST_DDS_GENERATED_HELLOWORLD_H_
 
+
+
diff --git a/code/Examples/C++/DDSHelloWorld/src/HelloWorldCdrAux.hpp b/code/Examples/C++/DDSHelloWorld/src/HelloWorldCdrAux.hpp
index 37b13815b..9f346d306 100644
--- a/code/Examples/C++/DDSHelloWorld/src/HelloWorldCdrAux.hpp
+++ b/code/Examples/C++/DDSHelloWorld/src/HelloWorldCdrAux.hpp
@@ -26,7 +26,7 @@
 
 constexpr uint32_t HelloWorld_max_cdr_typesize {268UL};
 constexpr uint32_t HelloWorld_max_key_cdr_typesize {0UL};
- 
+
 
 namespace eprosima {
 namespace fastcdr {
@@ -34,6 +34,8 @@ namespace fastcdr {
 class Cdr;
 class CdrSizeCalculator;
 
+
+
 eProsima_user_DllExport void serialize_key(
         eprosima::fastcdr::Cdr& scdr,
         const HelloWorld& data);
@@ -42,4 +44,5 @@ eProsima_user_DllExport void serialize_key(
 } // namespace fastcdr
 } // namespace eprosima
 
-#endif // _FAST_DDS_GENERATED_HELLOWORLDCDRAUX_HPP_
\ No newline at end of file
+#endif // _FAST_DDS_GENERATED_HELLOWORLDCDRAUX_HPP_
+
diff --git a/code/Examples/C++/DDSHelloWorld/src/HelloWorldCdrAux.ipp b/code/Examples/C++/DDSHelloWorld/src/HelloWorldCdrAux.ipp
index b9461ff5b..42e91f3cc 100644
--- a/code/Examples/C++/DDSHelloWorld/src/HelloWorldCdrAux.ipp
+++ b/code/Examples/C++/DDSHelloWorld/src/HelloWorldCdrAux.ipp
@@ -34,6 +34,8 @@ using namespace eprosima::fastcdr::exception;
 namespace eprosima {
 namespace fastcdr {
 
+
+
 template<>
 eProsima_user_DllExport size_t calculate_serialized_size(
         eprosima::fastcdr::CdrSizeCalculator& calculator,
@@ -77,7 +79,6 @@ eProsima_user_DllExport void serialize(
         << eprosima::fastcdr::MemberId(0) << data.index()
         << eprosima::fastcdr::MemberId(1) << data.message()
 ;
-
     scdr.end_serialize_type(current_state);
 }
 
@@ -123,4 +124,5 @@ void serialize_key(
 } // namespace fastcdr
 } // namespace eprosima
 
-#endif // _FAST_DDS_GENERATED_HELLOWORLDCDRAUX_IPP_
\ No newline at end of file
+#endif // _FAST_DDS_GENERATED_HELLOWORLDCDRAUX_IPP_
+
diff --git a/code/Examples/C++/DDSHelloWorld/src/HelloWorldPubSubTypes.cxx b/code/Examples/C++/DDSHelloWorld/src/HelloWorldPubSubTypes.cxx
index f4a5ef511..85cb47789 100644
--- a/code/Examples/C++/DDSHelloWorld/src/HelloWorldPubSubTypes.cxx
+++ b/code/Examples/C++/DDSHelloWorld/src/HelloWorldPubSubTypes.cxx
@@ -20,9 +20,7 @@
  */
 
 
-#include <fastcdr/FastBuffer.h>
-#include <fastcdr/Cdr.h>
-#include <fastcdr/CdrSizeCalculator.hpp>
+#include <fastdds/rtps/common/CdrSerialization.hpp>
 
 #include "HelloWorldPubSubTypes.h"
 #include "HelloWorldCdrAux.hpp"
@@ -31,10 +29,17 @@ using SerializedPayload_t = eprosima::fastrtps::rtps::SerializedPayload_t;
 using InstanceHandle_t = eprosima::fastrtps::rtps::InstanceHandle_t;
 using DataRepresentationId_t = eprosima::fastdds::dds::DataRepresentationId_t;
 
+
+
 HelloWorldPubSubType::HelloWorldPubSubType()
 {
     setName("HelloWorld");
-    uint32_t type_size = HelloWorld_max_cdr_typesize;
+    uint32_t type_size =
+#if FASTCDR_VERSION_MAJOR == 1
+        static_cast<uint32_t>(HelloWorld::getMaxCdrSerializedSize());
+#else
+        HelloWorld_max_cdr_typesize;
+#endif
     type_size += static_cast<uint32_t>(eprosima::fastcdr::Cdr::alignment(type_size, 4)); /* possible submessage alignment */
     m_typeSize = type_size + 4; /*encapsulation*/
     m_isGetKeyDefined = false;
@@ -65,10 +70,12 @@ bool HelloWorldPubSubType::serialize(
             data_representation == DataRepresentationId_t::XCDR_DATA_REPRESENTATION ?
             eprosima::fastcdr::CdrVersion::XCDRv1 : eprosima::fastcdr::CdrVersion::XCDRv2);
     payload->encapsulation = ser.endianness() == eprosima::fastcdr::Cdr::BIG_ENDIANNESS ? CDR_BE : CDR_LE;
+#if FASTCDR_VERSION_MAJOR > 1
     ser.set_encoding_flag(
         data_representation == DataRepresentationId_t::XCDR_DATA_REPRESENTATION ?
         eprosima::fastcdr::EncodingAlgorithmFlag::PLAIN_CDR  :
         eprosima::fastcdr::EncodingAlgorithmFlag::DELIMIT_CDR2);
+#endif // FASTCDR_VERSION_MAJOR > 1
 
     try
     {
@@ -83,7 +90,11 @@ bool HelloWorldPubSubType::serialize(
     }
 
     // Get the serialized length
+#if FASTCDR_VERSION_MAJOR == 1
+    payload->length = static_cast<uint32_t>(ser.getSerializedDataLength());
+#else
     payload->length = static_cast<uint32_t>(ser.get_serialized_data_length());
+#endif // FASTCDR_VERSION_MAJOR == 1
     return true;
 }
 
@@ -100,7 +111,11 @@ bool HelloWorldPubSubType::deserialize(
         eprosima::fastcdr::FastBuffer fastbuffer(reinterpret_cast<char*>(payload->data), payload->length);
 
         // Object that deserializes the data.
-        eprosima::fastcdr::Cdr deser(fastbuffer, eprosima::fastcdr::Cdr::DEFAULT_ENDIAN);
+        eprosima::fastcdr::Cdr deser(fastbuffer, eprosima::fastcdr::Cdr::DEFAULT_ENDIAN
+#if FASTCDR_VERSION_MAJOR == 1
+                , eprosima::fastcdr::Cdr::CdrType::DDS_CDR
+#endif // FASTCDR_VERSION_MAJOR == 1
+                );
 
         // Deserialize encapsulation.
         deser.read_encapsulation();
@@ -123,13 +138,26 @@ std::function<uint32_t()> HelloWorldPubSubType::getSerializedSizeProvider(
 {
     return [data, data_representation]() -> uint32_t
            {
-               eprosima::fastcdr::CdrSizeCalculator calculator(
-                   data_representation == DataRepresentationId_t::XCDR_DATA_REPRESENTATION ?
-                   eprosima::fastcdr::CdrVersion::XCDRv1 :eprosima::fastcdr::CdrVersion::XCDRv2);
-               size_t current_alignment {0};
-               return static_cast<uint32_t>(calculator.calculate_serialized_size(
-                           *static_cast<HelloWorld*>(data), current_alignment)) +
-                       4u /*encapsulation*/;
+#if FASTCDR_VERSION_MAJOR == 1
+               static_cast<void>(data_representation);
+               return static_cast<uint32_t>(type::getCdrSerializedSize(*static_cast<HelloWorld*>(data))) +
+                      4u /*encapsulation*/;
+#else
+               try
+               {
+                   eprosima::fastcdr::CdrSizeCalculator calculator(
+                       data_representation == DataRepresentationId_t::XCDR_DATA_REPRESENTATION ?
+                       eprosima::fastcdr::CdrVersion::XCDRv1 :eprosima::fastcdr::CdrVersion::XCDRv2);
+                   size_t current_alignment {0};
+                   return static_cast<uint32_t>(calculator.calculate_serialized_size(
+                               *static_cast<HelloWorld*>(data), current_alignment)) +
+                           4u /*encapsulation*/;
+               }
+               catch (eprosima::fastcdr::exception::Exception& /*exception*/)
+               {
+                   return 0;
+               }
+#endif // FASTCDR_VERSION_MAJOR == 1
            };
 }
 
@@ -161,12 +189,20 @@ bool HelloWorldPubSubType::getKey(
             HelloWorld_max_key_cdr_typesize);
 
     // Object that serializes the data.
-    eprosima::fastcdr::Cdr ser(fastbuffer, eprosima::fastcdr::Cdr::BIG_ENDIANNESS);
+    eprosima::fastcdr::Cdr ser(fastbuffer, eprosima::fastcdr::Cdr::BIG_ENDIANNESS, eprosima::fastcdr::CdrVersion::XCDRv1);
+#if FASTCDR_VERSION_MAJOR == 1
+    p_type->serializeKey(ser);
+#else
     eprosima::fastcdr::serialize_key(ser, *p_type);
+#endif // FASTCDR_VERSION_MAJOR == 1
     if (force_md5 || HelloWorld_max_key_cdr_typesize > 16)
     {
         m_md5.init();
+#if FASTCDR_VERSION_MAJOR == 1
+        m_md5.update(m_keyBuffer, static_cast<unsigned int>(ser.getSerializedDataLength()));
+#else
         m_md5.update(m_keyBuffer, static_cast<unsigned int>(ser.get_serialized_data_length()));
+#endif // FASTCDR_VERSION_MAJOR == 1
         m_md5.finalize();
         for (uint8_t i = 0; i < 16; ++i)
         {
diff --git a/code/Examples/C++/DDSHelloWorld/src/HelloWorldPubSubTypes.h b/code/Examples/C++/DDSHelloWorld/src/HelloWorldPubSubTypes.h
index 5b325dd1c..cb61cd6ba 100644
--- a/code/Examples/C++/DDSHelloWorld/src/HelloWorldPubSubTypes.h
+++ b/code/Examples/C++/DDSHelloWorld/src/HelloWorldPubSubTypes.h
@@ -38,6 +38,8 @@
 #endif  // GEN_API_VER
 
 
+
+
 /*!
  * @brief This class represents the TopicDataType of the type HelloWorld defined by the user in the IDL file.
  * @ingroup HelloWorld
@@ -102,6 +104,13 @@ class HelloWorldPubSubType : public eprosima::fastdds::dds::TopicDataType
         return false;
     }
 
+    eProsima_user_DllExport inline bool is_plain(
+        eprosima::fastdds::dds::DataRepresentationId_t data_representation) const override
+    {
+        static_cast<void>(data_representation);
+        return false;
+    }
+
 #endif  // TOPIC_DATA_TYPE_API_HAS_IS_PLAIN
 
 #ifdef TOPIC_DATA_TYPE_API_HAS_CONSTRUCT_SAMPLE