diff --git a/starter_code/elevator.js b/starter_code/elevator.js
index 5339f35..18728e3 100644
--- a/starter_code/elevator.js
+++ b/starter_code/elevator.js
@@ -3,17 +3,75 @@ class Elevator {
     this.floor      = 0;
     this.MAXFLOOR   = 10;
     this.requests   = [];
+    this.waitingList = [];
+    this.passengers = [];
+    this.direction  = "up";
+    this.startMoving;
   }
 
-  start() { }
-  stop() { }
-  update() { }
-  _passengersEnter() { }
-  _passengersLeave() { }
-  floorUp() { }
-  floorDown() { }
-  call() { }
-  log() { }
+  start() {
+    this.startMoving = setInterval(()=> {this.update()}, 1000);
+  }
+
+  stop() {
+    clearInterval(this.startMoving);
+  }
+
+  update() {
+    this.log();
+    this._passengersEnter();
+    this._passengersLeave();
+    this.floor < this.requests[0] ? this.floorUp() : this.floorDown();
+    if (this.floor === this.requests[0]) {
+      this.requests.shift();
+    }
+    if (this.requests.length === 0) {
+      this.stop();
+    }
+  }
+
+  _passengersEnter() {
+  this.waitingList.forEach((element, index) => {
+    if(element.originFloor === this.floor) {
+      this.passengers.push(element);
+      this.waitingList.splice(index, 1);
+      this.requests.push(element.destinationFloor);
+    }
+  });
+ }
+
+  _passengersLeave() {
+  this.passengers.forEach((element, index)=> {
+    if (element.destinationFloor === this.floor) {
+      this.passengers.splice(index, 1);
+      console.log(`${element.name} has left the elevator`);
+    }
+  });
 }
 
+  floorUp() {
+    if(this.floor < this.MAXFLOOR) {
+      this.direction = "up";
+      this.floor++;
+    }
+  }
+
+  floorDown() {
+    if(this.floor > 0) {
+      this.direction = "down";
+      this.floor--;
+    }
+  }
+
+  call(person) {
+    this.requests.push(person.originFloor);
+    this.waitingList.push(person);
+  }
+
+  log() {
+    console.log(`Direction: ${this.direction}`);
+    console.log(`Floor: ${this.floor}`);
+    };
+  }
+
 module.exports = Elevator;
diff --git a/starter_code/index.js b/starter_code/index.js
index 5e480eb..2b361e2 100644
--- a/starter_code/index.js
+++ b/starter_code/index.js
@@ -1 +1,13 @@
 const Elevator = require('./elevator.js');
+const Person = require('./person.js');
+
+let elevator = new Elevator();
+
+
+//test zone//
+elevator.floorUp();
+elevator.update();
+elevator.floorUp();
+elevator.update();
+elevator.floorDown();
+elevator.update();
diff --git a/starter_code/person.js b/starter_code/person.js
index fddcc22..90f1dcc 100644
--- a/starter_code/person.js
+++ b/starter_code/person.js
@@ -1,5 +1,8 @@
 class Person {
   constructor(name, originFloor, destinationFloor){
+    this.name = name;
+    this.originFloor = originFloor;
+    this.destinationFloor = destinationFloor;
   }
 }