diff --git a/hello/src/main/java/com/ak/app/MainApp.java b/hello/src/main/java/com/ak/app/MainApp.java
index 2730873..dd12479 100644
--- a/hello/src/main/java/com/ak/app/MainApp.java
+++ b/hello/src/main/java/com/ak/app/MainApp.java
@@ -1,14 +1,17 @@
 package com.ak.app;
 
+import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.time.ZonedDateTime;
 
 public class MainApp {
+  private static final Logger LOGGER = LoggerFactory.getLogger(MainApp.class);
+
   private MainApp() {
   }
 
   public static void main(String[] args) {
-    LoggerFactory.getLogger(MainApp.class).info("Hello World {}!", ZonedDateTime.now());
+    LOGGER.atInfo().setMessage(() -> "Hello World!").addKeyValue("time", ZonedDateTime::now).log();
   }
 }
diff --git a/hello/src/main/resources/logback.xml b/hello/src/main/resources/logback.xml
index 09c6eb8..54ec603 100644
--- a/hello/src/main/resources/logback.xml
+++ b/hello/src/main/resources/logback.xml
@@ -2,7 +2,7 @@
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder>
             <pattern>
-                %cyan(%d{HH:mm:ss.SSS}) %gray([%thread]) %highlight(%-5level) %magenta(%logger{36}) - %msg%n
+                %cyan(%d{HH:mm:ss.SSS}) %gray([%thread]) %highlight(%-5level) %magenta(%logger{36}) -%kvp{NONE}- %msg%n
             </pattern>
         </encoder>
     </appender>
diff --git a/hello/src/test/resources/logback-test.xml b/hello/src/test/resources/logback-test.xml
index 09c6eb8..54ec603 100644
--- a/hello/src/test/resources/logback-test.xml
+++ b/hello/src/test/resources/logback-test.xml
@@ -2,7 +2,7 @@
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder>
             <pattern>
-                %cyan(%d{HH:mm:ss.SSS}) %gray([%thread]) %highlight(%-5level) %magenta(%logger{36}) - %msg%n
+                %cyan(%d{HH:mm:ss.SSS}) %gray([%thread]) %highlight(%-5level) %magenta(%logger{36}) -%kvp{NONE}- %msg%n
             </pattern>
         </encoder>
     </appender>