diff --git a/chapter7/prototype example b/chapter7/prototype example
new file mode 100644
index 0000000..f2c9ae5
--- /dev/null
+++ b/chapter7/prototype example	
@@ -0,0 +1,18 @@
+class Employee {
+    constructor(first, last, years) {
+        this.first = first;
+        this.last = last;
+        this.years = years;
+    }
+}
+const person1 = new Employee("Laurence", "Svekis", 10);
+const person2 = new Employee("Maaike", "van Putten", 5);
+const workers = [person1, person2];
+
+Employee.prototype.details = function(){
+    return this.first + " " + this.last + " has worked here " + this.years + " years"
+}
+
+workers.forEach((person) => {
+    console.log(person.details());
+})