diff --git a/src/main/java/com/ankurm/jackson3/part4custom/Money.java b/src/main/java/com/ankurm/jackson3/part4custom/Money.java
new file mode 100644
index 0000000..8e960c0
--- /dev/null
+++ b/src/main/java/com/ankurm/jackson3/part4custom/Money.java
@@ -0,0 +1,6 @@
+package com.ankurm.jackson3.part4custom;
+
+import java.math.BigDecimal;
+
+/** The domain value object used by the custom serialiser and deserialiser. */
+public record Money(BigDecimal amount, String currencyCode) { }