diff --git a/src/les_pkg/src/les1.cpp b/src/les_pkg/src/les1.cpp
index 56076c6..7ad5021 100644
--- a/src/les_pkg/src/les1.cpp
+++ b/src/les_pkg/src/les1.cpp
@@ -28,23 +28,35 @@
 
 #include <cstdlib>
 #include "rclcpp/rclcpp.hpp"
+#include <rclcpp/clock.hpp>
+#include <rclcpp/time.hpp>
 
-class Template_General : public rclcpp::Node
+class NodeLes1 : public rclcpp::Node
 {
 public:
-	Template_General()
+	NodeLes1()
     : Node("les1_node")
-	{}
+	{
+    timer_ = this->create_wall_timer(
+      std::chrono::seconds(1),
+      std::bind(&NodeLes1::print_time, this)
+    );
+  }
 
-	void custom_example() {
-	  RCLCPP_INFO(this->get_logger() ,"Hello you are new to ROS2");
+	void print_time() {
+    auto now = clock_.now();
+    RCLCPP_INFO(this->get_logger(), "Time: %.0f", now.seconds());
 	}
+
+private:
+  rclcpp::TimerBase::SharedPtr timer_;
+  rclcpp::Clock clock_;
 };
 
 int main(int argc,char *argv[]) {
   rclcpp::init(argc,argv);
 
-  auto node = std::make_shared<Template_General>();
+  auto node = std::make_shared<NodeLes1>();
 
   rclcpp::spin(node);
   rclcpp::shutdown();