diff --git a/main.go b/main.go
index af5adbe..a95a129 100644
--- a/main.go
+++ b/main.go
@@ -54,4 +54,5 @@ func main() {
 	pointers.Demo2(numbers)
 	fmt.Println("Numbers in Main", numbers[0])
 	structs.Demo1()
+	structs.Demo2()
 }
diff --git a/structs/demo1.go b/structs/demo1.go
index 0675115..5ce7ee6 100644
--- a/structs/demo1.go
+++ b/structs/demo1.go
@@ -11,4 +11,5 @@ type product struct {
 	unitPrice float64
 	brand string
 	discountRate int
-}
\ No newline at end of file
+}
+
diff --git a/structs/demo2.go b/structs/demo2.go
new file mode 100644
index 0000000..ad3af76
--- /dev/null
+++ b/structs/demo2.go
@@ -0,0 +1,18 @@
+package structs
+
+import "fmt"
+
+type customer struct{
+	firstName	string
+	lastName	string
+	age			int
+}
+
+func (c customer) save()  {
+	fmt.Println("Has been added : ", c.firstName, c.lastName,c.age)
+}
+
+func Demo2()  {
+	c:= customer{firstName: "Engin", lastName: "Demiroğ", age: 35}
+	c.save()
+}
\ No newline at end of file