diff --git a/domain-model.md b/domain-model.md
new file mode 100644
index 00000000..fa837869
--- /dev/null
+++ b/domain-model.md
@@ -0,0 +1,16 @@
+
+
+| Classes  | Method                                         | Member Variables      | Scenario                                                                                          | Output     |
+|----------|------------------------------------------------|-----------------------|---------------------------------------------------------------------------------------------------|------------|
+| `Basket` | `addBagel(String bagelType)`                   | `List<String> bagels` | If bagels.length; < basketLimit, add the bagel to the list.                                       | true       |
+|          |                                                | `int basketLimit`     | Else: let user know it is full.                                                                   | false      |
+|          |                                                |                       |                                                                                                   |            |
+|          | `removeBagel(String bagelType)`                | `int managerKey`      | If bagelType in bagels, remove it from the basket and notify user with true.                      | true       |
+|          |                                                |                       | Else: no bagelType found in bagel, notify user with false.                                        | false      |
+|          |                                                |                       |                                                                                                   |            |
+|          | `changeBasketCapacity(int newBasketCapacity)`  |                       | If user is manager, replace the basketLimit with newBasketCapacity. Success of change equals true | true/false |
+
+
+
+
+
diff --git a/src/main/java/com/booleanuk/core/Basket.java b/src/main/java/com/booleanuk/core/Basket.java
index df7a20aa..394885d4 100644
--- a/src/main/java/com/booleanuk/core/Basket.java
+++ b/src/main/java/com/booleanuk/core/Basket.java
@@ -1,5 +1,45 @@
 package com.booleanuk.core;
 
+import java.util.ArrayList;
+
 public class Basket {
 
+    private ArrayList<String> bagels;
+    private int basketLimit = 4;
+    private int managerKey = 9999;
+
+    public Basket() {
+        this.bagels = new ArrayList<>();
+
+    }
+
+    public boolean addBagel(String bagelType) {
+        if (bagels.size() < basketLimit) {
+            bagels.add(bagelType);
+
+            return true;
+        }
+
+
+        return false;
+    }
+
+    public boolean removeBagel(String bagelType) {
+        if (bagels.contains(bagelType)){
+            bagels.remove(bagelType);
+
+            return true;
+        }
+        return false;
+    }
+
+
+    public boolean changeBasketCapacity(int newBasketCapacity){
+        if(managerKey == 9999){
+            basketLimit = newBasketCapacity;
+
+            return true;
+        }
+        return false;
+    }
 }
diff --git a/src/test/java/com/booleanuk/core/BasketTest.java b/src/test/java/com/booleanuk/core/BasketTest.java
index e35771b3..abac6a25 100644
--- a/src/test/java/com/booleanuk/core/BasketTest.java
+++ b/src/test/java/com/booleanuk/core/BasketTest.java
@@ -5,4 +5,42 @@
 
 class BasketTest {
 
+    @Test
+    public void testAddBagel() {
+        Basket basket = new Basket();
+        String bagelType = "Original";
+
+        Assertions.assertTrue(basket.addBagel(bagelType));
+
+    }
+
+    @Test
+    public void testRemoveBagel() {
+        Basket basket = new Basket();
+        basket.addBagel("Special");
+
+        String bagelType = "Special";
+
+        Assertions.assertTrue(basket.removeBagel(bagelType));
+
+    }
+
+    @Test
+    public void testChangeBasketCapacity() {
+        Basket basket = new Basket();
+
+        basket.addBagel("Onion");
+        basket.addBagel("Cheese");
+        basket.addBagel("Lettuce");
+
+        basket.addBagel("Salt");
+
+        Assertions.assertFalse(basket.addBagel("Meat"));
+
+        basket.changeBasketCapacity(10);
+
+        Assertions.assertTrue(basket.addBagel("Plain"));
+
+    }
+
 }