diff --git a/include/examples/KeepAlivePacket.h b/include/examples/KeepAlivePacket.h
new file mode 100644
index 0000000..980ffa1
--- /dev/null
+++ b/include/examples/KeepAlivePacket.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#include <sp/default/DefaultPacket.h>
+#include <sp/protocol/Field.h>
+#include <sp/protocol/MessageBase.h>
+
+enum PacketId {
+	KeepAlive = 0,
+};
+
+enum KeepAlivePacketFields {
+	KeepAliveId = 0
+};
+
+using KeepAliveFields = std::tuple<sp::Field<std::uint64_t>>;
+
+class KeepAlivePacket : public sp::MessageBase<sp::PacketMessage,
+							sp::option::StaticNumIdImpl<KeepAlive>,		// provide idImpl() if needed
+							sp::option::DispatchImpl<KeepAlivePacket>,	// provide dispatchImpl() if needed
+							sp::option::FieldsImpl<KeepAliveFields>		// provide access to fields
+							> {};
\ No newline at end of file
diff --git a/include/examples/PacketExample.h b/include/examples/PacketExample.h
index da9fbec..c4f068d 100644
--- a/include/examples/PacketExample.h
+++ b/include/examples/PacketExample.h
@@ -1,20 +1,6 @@
 #pragma once
 
-#include <sp/default/DefaultPacket.h>
-#include <sp/protocol/Field.h>
-#include <sp/protocol/MessageBase.h>
-
-enum PacketId {
-	KeepAlive = 0,
-};
-
-using KeepAliveFields = std::tuple<sp::Field<std::uint64_t>>;
-
-class KeepAlivePacket : public sp::MessageBase<sp::PacketMessage,
-							sp::option::StaticNumIdImpl<KeepAlive>,		// provide idImpl() if needed
-							sp::option::DispatchImpl<KeepAlivePacket>,	// provide dispatchImpl() if needed
-							sp::option::FieldsImpl<KeepAliveFields>		// provide access to fields
-							> {};
+#include <examples/KeepAlivePacket.h>
 
 using AllPackets = std::tuple<KeepAlivePacket>;
 
diff --git a/src/main.cpp b/src/main.cpp
index 7f2a44a..9c0f3e3 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -10,8 +10,20 @@ class KeepAliveHandler : public sp::PacketHandler {
 };
 
 int main() {
-	std::unique_ptr<sp::PacketMessage> msg = std::make_unique<KeepAlivePacket>();
+	auto keepAlive = std::make_unique<KeepAlivePacket>();
+	sp::PacketMessage* msg = keepAlive.get();
+	
 	KeepAliveHandler handler;
 	msg->Dispatch(handler);
+
+	keepAlive->GetField<KeepAliveId>() = 69;
+	sp::DataBuffer buffer;
+	msg->Write(buffer);
+
+	auto keepAlive2 = std::make_unique<KeepAlivePacket>();
+	keepAlive2->Read(buffer);
+
+	std::cout << "KeepAlive2 : " << keepAlive2->GetField<KeepAliveId>() << "\n";
+
 	return 0;
 }
\ No newline at end of file