diff --git a/domain-model.md b/domain-model.md
new file mode 100644
index 00000000..4468eb75
--- /dev/null
+++ b/domain-model.md
@@ -0,0 +1,45 @@
+# 1. Member class
+
+
+| Methods         | Member variables | Scenario           | Outputs/Results/Return values |
+|-----------------|------------------|--------------------|-------------------------------|
+| addBagel(bagel) | String[] bagels  | if bagel add       | True                          |
+|                 |                  | if bagel add exist | False                         |
+|                 |                  |                    |                               |
+|                 |                  |                    |
+
+# 2. Member class
+
+| Methods                            | Member variables     | Scenario               | Outputs/Results/Return values |
+|------------------------------------|----------------------|------------------------|-------------------------------|
+| removeBagel(bagels ,bagelBasket[]) | String[] bagelBasket | if bagel exists        | True                          |
+|                                    |                      | if bagel doesn't exist | False                         |
+|                                    |                      |                        |                               |
+|                                    |                      |                        |
+
+# 3. Member class
+
+| Methods                               | Member variables      | Scenario          | Outputs/Results/Return values |
+|---------------------------------------|-----------------------|-------------------|-------------------------------|
+| basketCapacity(bagels ,bagelBasket[]) | String[] bagelsBasket | if basket full    | True                          |
+|                                       |                       | if bagel not full | False                         |
+|                                       |                       |                   |                               |
+|                                       |                       |                   |
+
+# 4. Member class
+
+| Methods                               | Member variables      | Scenario          | Outputs/Results/Return values |
+|---------------------------------------|-----------------------|-------------------|-------------------------------|
+| basketCapacity(bagels ,bagelBasket[]) | String[] bagelsBasket | if basket full    | increaseCapacity();           |
+| increaseCapacity()                    | int capacity = 0;     | if bagel not full | False                         |
+|                                       |                       |                   |                               |
+|                                       |                       |                   |
+
+# 5. Member class
+
+| Methods                            | Member variables      | Scenario                | Outputs/Results/Return values |
+|------------------------------------|-----------------------|-------------------------|-------------------------------|
+| removeBagel(bagels ,bagelBasket[]) | String[] bagelsBasket | if bagels exist         | true                          |
+| message()                          |                       | if bagel does not exist | False                         |
+|                                    |                       |                         |                               |
+|                                    |                       |                         |
diff --git a/src/main/java/com/booleanuk/core/Basket.java b/src/main/java/com/booleanuk/core/Basket.java
index df7a20aa..4620734a 100644
--- a/src/main/java/com/booleanuk/core/Basket.java
+++ b/src/main/java/com/booleanuk/core/Basket.java
@@ -1,5 +1,48 @@
 package com.booleanuk.core;
 
+import java.util.ArrayList;
+
 public class Basket {
+    ArrayList<String> bagels;
+    int capacity = 2;
+    public Basket(){
+        this.bagels = new ArrayList<>(capacity);
+        bagels.add("bagel2");
+    }
+
+    public boolean addBagel(String bagel){
+
+        if (bagels.contains(bagel)){
+            return false;
+        }
+        bagels.add(bagel);
+        return true;
+    }
+    public boolean removeBagel(String bagel){
+        if (bagels.contains(bagel)){
+            bagels.remove(bagel);
+            return true;
+        }
+        return false;
+    }
+    public boolean checkCapacity(){
+        if (bagels.size() >capacity ){
+            return true;
+        }
+        return false;
+    }
+
+    public int updateCapacity(int newCap){
+        this.capacity = newCap;
+        return this.capacity;
+    }
+    public String removeBagelString(String bagel){
+        String ut="The bagel " + bagel + " doesn't exist";
+        if (bagels.contains(bagel)){
+            bagels.remove(bagel);
+            ut= "The bagel " + bagel + " is removed";
+        }
+        return ut;
+    }
 
 }
diff --git a/src/test/java/com/booleanuk/core/BasketTest.java b/src/test/java/com/booleanuk/core/BasketTest.java
index e35771b3..549d3a39 100644
--- a/src/test/java/com/booleanuk/core/BasketTest.java
+++ b/src/test/java/com/booleanuk/core/BasketTest.java
@@ -3,6 +3,52 @@
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
-class BasketTest {
+
+public class BasketTest {
+
+    @Test
+    public void addSpecificBagelReturnTrue() {
+        Basket basket = new Basket();
+
+        boolean result = basket.addBagel("bagel1");
+        Assertions.assertTrue(result);
+    }
+
+    @Test
+    public void addSpecificBagelReturnFalse(){
+        Basket basket = new Basket();
+        boolean result = basket.addBagel("bagel2");
+        Assertions.assertFalse(result);
+    }
+
+    @Test
+    public void removeSpecificBagelReturnTrue(){
+        Basket basket = new Basket();
+        boolean result = basket.removeBagel("bagel2");
+        Assertions.assertTrue(result);
+    }
+
+    @Test
+    public void checkCapacityListReturnTrue(){
+        Basket basket = new Basket();
+        basket.addBagel("bagel3");
+        basket.addBagel("bagel4");
+        basket.addBagel("bagel5");
+        basket.addBagel("bagel6");
+        boolean result = basket.checkCapacity();
+        Assertions.assertTrue(result);
+    }
+    @Test
+    public void updateCapacityReturnString(){
+        Basket basket = new Basket();
+        int updateCap=10;
+        String returnV = basket.removeBagelString("bagel10");
+        Assertions.assertEquals("The bagel " + "bagel10" + " doesn't exist",returnV);
+    }
+
+
+
+
+
 
 }