diff --git a/examples/SMAppServiceExample/src/main.swift b/examples/SMAppServiceExample/src/main.swift
index bb2a0489..3d2cd319 100644
--- a/examples/SMAppServiceExample/src/main.swift
+++ b/examples/SMAppServiceExample/src/main.swift
@@ -1,41 +1,58 @@
 import Foundation
 import ServiceManagement
 
-let daemonPlistNames = [
-  "org.pqrs.Karabiner-VirtualHIDDevice-Daemon.plist"
-]
+enum Subcommand: String {
+  case register = "register"
+  case unregister = "unregister"
+  case status = "status"
+}
+
+func registerService(_ service: SMAppService) {
+  do {
+    try service.register()
+    print("Successfully registered \(service)")
+  } catch {
+    // Note:
+    // When calling `SMAppService.daemon.register`, if user approval has not been granted, an `Operation not permitted` error will be returned.
+    // To call `register` for all agents and daemons, the loop continues even if an error occurs.
+    // Therefore, only log output will be performed here.
+    print("Unable to register \(error)")
+  }
+}
+
+func unregisterService(_ service: SMAppService) {
+  do {
+    try service.unregister()
+    print("Successfully unregistered \(service)")
+  } catch {
+    print("Unable to unregister \(error)")
+  }
+}
 
 RunLoop.main.perform {
-  for argument in CommandLine.arguments {
-    if argument == "register" {
-      for daemonPlistName in daemonPlistNames {
-        let s = SMAppService.daemon(plistName: daemonPlistName)
-        do {
-          try s.register()
-          print("Successfully registered \(s)")
-        } catch {
-          print("Unable to register \(error)")
-          exit(1)
-        }
+  let services: [SMAppService] = [
+    SMAppService.daemon(
+      plistName: "org.pqrs.service.daemon.Karabiner-VirtualHIDDevice-Daemon.plist")
+  ]
+
+  if CommandLine.arguments.count > 1 {
+    let subcommand = CommandLine.arguments[1]
+
+    switch Subcommand(rawValue: subcommand) {
+    case .register:
+      for s in services {
+        registerService(s)
       }
       exit(0)
 
-    } else if argument == "unregister" {
-      for daemonPlistName in daemonPlistNames {
-        let s = SMAppService.daemon(plistName: daemonPlistName)
-        do {
-          try s.unregister()
-          print("Successfully unregistered \(s)")
-        } catch {
-          print("Unable to unregister \(error)")
-          exit(1)
-        }
+    case .unregister:
+      for s in services {
+        unregisterService(s)
       }
       exit(0)
 
-    } else if argument == "status" {
-      for daemonPlistName in daemonPlistNames {
-        let s = SMAppService.daemon(plistName: daemonPlistName)
+    case .status:
+      for s in services {
         switch s.status {
         case .notRegistered:
           print("\(s) notRegistered")
@@ -51,11 +68,21 @@ RunLoop.main.perform {
       }
 
       exit(0)
+
+    default:
+      print("Unknown subcommand \(subcommand)")
+      exit(1)
     }
   }
 
   print("Usage:")
-  print("    SMAppServiceExample register|unregister|status")
+  print("    SMAppServiceExample subcommand")
+  print("")
+  print("Subcommands:")
+  print("    \(Subcommand.register.rawValue)")
+  print("    \(Subcommand.unregister.rawValue)")
+  print("    \(Subcommand.status.rawValue)")
+
   exit(0)
 }
 
diff --git a/files/LaunchDaemons/org.pqrs.Karabiner-VirtualHIDDevice-Daemon.plist b/files/LaunchDaemons/org.pqrs.service.daemon.Karabiner-VirtualHIDDevice-Daemon.plist
similarity index 100%
rename from files/LaunchDaemons/org.pqrs.Karabiner-VirtualHIDDevice-Daemon.plist
rename to files/LaunchDaemons/org.pqrs.service.daemon.Karabiner-VirtualHIDDevice-Daemon.plist