diff --git a/starter_code/elevator.js b/starter_code/elevator.js
index 5339f35..1b7c158 100644
--- a/starter_code/elevator.js
+++ b/starter_code/elevator.js
@@ -1,19 +1,37 @@
-class Elevator {
+class Elevator{
   constructor(){
     this.floor      = 0;
     this.MAXFLOOR   = 10;
     this.requests   = [];
   }
 
-  start() { }
-  stop() { }
-  update() { }
+  start(){
+    var interval = setInterval(this.update(),1000);
+  }
+  stop(){
+    clearInterval(interval);
+  }
+  update(){
+      this.log();
+  }
   _passengersEnter() { }
   _passengersLeave() { }
-  floorUp() { }
-  floorDown() { }
-  call() { }
-  log() { }
+  floorUp(){
+    if(this.floor < this.MAXFLOOR){
+      this.floor += 1;
+    }
+  }
+  floorDown(){
+    if(this.floor > 0){
+      this.floor -= 1;
+    }
+  }
+  call(){
+
+  }
+  log(){
+    console.log("Direction: " + this.requests + " | Floor: " + this.floor);
+  }
 }
 
 module.exports = Elevator;