diff --git a/reference/XmlizeCustomValue/XmlizeCustomValue.cpp b/reference/XmlizeCustomValue/XmlizeCustomValue.cpp
new file mode 100644
index 000000000..29171a7a7
--- /dev/null
+++ b/reference/XmlizeCustomValue/XmlizeCustomValue.cpp
@@ -0,0 +1,43 @@
+#include <Core/Core.h>
+
+using namespace Upp;
+
+struct MyCustomValue : AssignValueTypeNo<MyCustomValue, 514> {
+	int    x, y, z;
+
+	int      operator==(const MyCustomValue& o) const { return false; }
+	void     Serialize(Stream& s)                     {}
+	String   ToString() const                         { return ""; }
+	unsigned GetHashValue() const                     { return 0; }
+	bool     IsNullInstance() const                   { return false; }
+
+	operator Value() const                   { return RichValue<MyCustomValue>(*this); }
+	MyCustomValue(const Value& v)            { *this = ValueTo<MyCustomValue>(v); }
+
+	MyCustomValue()                          {}
+};
+
+void Xmlize(XmlIO xml, MyCustomValue& v)
+{
+	xml
+		.Attr("x", v.x)
+		.Attr("y", v.y)
+		.Attr("z", v.z)
+	;
+}
+
+INITBLOCK {
+	RichValue<Color>::Register();
+}
+
+REGISTER_VALUE_XMLIZE(MyCustomValue);
+
+CONSOLE_APP_MAIN
+{
+	MyCustomValue a;
+	a.x = 1;
+	a.y = 2;
+	a.z = 3;
+	Value v = a;
+	LOG(StoreAsXML(v, "Test"));
+}
diff --git a/reference/XmlizeCustomValue/XmlizeCustomValue.upp b/reference/XmlizeCustomValue/XmlizeCustomValue.upp
new file mode 100644
index 000000000..7b7d5460c
--- /dev/null
+++ b/reference/XmlizeCustomValue/XmlizeCustomValue.upp
@@ -0,0 +1,11 @@
+description "Extending Xmlize to support custom Value type\377";
+
+uses
+	Core;
+
+file
+	XmlizeCustomValue.cpp;
+
+mainconfig
+	"" = "";
+