...

src/main/java/kr/co/swh/lecture/opensource/project/discode/JavaCordBot.java

                 .addComponents(
                     ActionRow.of(Button.success("success", "Send a message"),
                         Button.danger("danger", "Delete this message"),
-//                        Button.create("hi", ButtonStyle.DANGER, "custom", "1F606"),
+                        Button.link("http://naver.com", "", "1️⃣"),
                         Button.secondary("secondary", "Remind me after 5 minutes")))
                 .send(event.getChannel());
             }