diff --git a/src/main/java/com/booleanuk/core/domain-model.md b/src/main/java/com/booleanuk/core/domain-model.md
new file mode 100644
index 0000000..87e22a5
--- /dev/null
+++ b/src/main/java/com/booleanuk/core/domain-model.md
@@ -0,0 +1,6 @@
+| Classes  | Variables                | Methods                    | Scenario           | Outcome         |
+|----------|--------------------------|----------------------------|--------------------|-----------------|
+| `Basket` | `List<Product> products` | `pay(account, sumPrice())` | Pay for products   | Money deducted  |
+|          |                          |                            | Insufficient funds | Warning given   |
+|          |                          | `receipt()`                | Items in basket    | Receipt printed |
+|          |                          |                            | No items in basket | Warning given   |