diff --git a/include/example_plugin.h b/include/example_plugin.h
index 260a573..ea03952 100644
--- a/include/example_plugin.h
+++ b/include/example_plugin.h
@@ -1,13 +1,12 @@
 // Copyright (c) 2024, The Endstone Project. (https://endstone.dev) All Rights Reserved.
 
+#include "endstone/command/plugin_command.h"
 #include "endstone/plugin/plugin.h"
 #include "endstone/util/color_format.h"
 #include "fibonacci_command.h"
 
 class ExamplePlugin : public endstone::Plugin {
 public:
-    ExamplePlugin() = default;
-
     void onLoad() override
     {
         getLogger().info("onLoad is called");
@@ -16,25 +15,9 @@ class ExamplePlugin : public endstone::Plugin {
     void onEnable() override
     {
         getLogger().info("onEnable is called");
-
-        // Register permissions
-        auto *root = registerPermission("cpp_example.command",
-                                        "Allow users to use all commands provided by this example plugin");
-        registerPermission(root, "cpp_example.command.debug", "Allow users to use the debug command",
-                           endstone::PermissionDefault::Operator);
-        auto *fib = registerPermission(root, "cpp_example.command.fibonacci",
-                                       "Allow users to use the fibonacci command", endstone::PermissionDefault::True);
-        registerPermission(fib, "cpp_example.command.fibonacci.large_n",
-                           "Allow users to use the fibonacci command with n >= 1000",
-                           endstone::PermissionDefault::Operator);
-
-        // Register commands
-        registerCommand("debug", "Print debug information of this plugin.", {"/debug"}, {},
-                        {"cpp_example.command.debug"});
-        registerCommand("fibonacci", "A simple command that writes the Fibonacci series up to n.",
-                        {"/fibonacci <n: int>"}, {"fib"},
-                        {"cpp_example.command.fibonacci", "cpp_example.command.fibonacci.large_n"})
-            ->setExecutor(std::make_unique<FibonacciCommandExecutor>());
+        if (auto *command = getCommand("fibonacci")) {
+            command->setExecutor(std::make_unique<FibonacciCommandExecutor>());
+        }
     }
 
     void onDisable() override
@@ -42,11 +25,6 @@ class ExamplePlugin : public endstone::Plugin {
         getLogger().info("onDisable is called");
     }
 
-    [[nodiscard]] const endstone::PluginDescription &getDescription() const override
-    {
-        return description_;
-    }
-
     bool onCommand(endstone::CommandSender &sender, const endstone::Command &command,
                    const std::vector<std::string> &args) override
     {
@@ -64,12 +42,4 @@ class ExamplePlugin : public endstone::Plugin {
         sender.sendErrorMessage("Unknown command: /{}", command.getName());
         return false;
     }
-
-private:
-    endstone::PluginDescription description_{
-        "CppExamplePlugin",                          // name
-        "0.2.0",                                     // version
-        "C++ example plugin for Endstone servers",   // description
-        {"Endstone Developers <hello@endstone.dev>"} // authors
-    };
 };
diff --git a/src/example_plugin.cpp b/src/example_plugin.cpp
index 03fa0ca..f107a3f 100644
--- a/src/example_plugin.cpp
+++ b/src/example_plugin.cpp
@@ -2,5 +2,38 @@
 
 #include "example_plugin.h"
 
-// The ENDSTONE_PLUGIN macro defines the entry point for the plugin.
-ENDSTONE_PLUGIN(ExamplePlugin)
+// The ENDSTONE_PLUGIN macro defines the metadata for the plugin.
+ENDSTONE_PLUGIN(/*name=*/"CppExamplePlugin", /*version=*/"0.3.0", /*main_class=*/ExamplePlugin)
+{
+    plugin.description = "C++ example plugin for Endstone servers";
+    plugin.authors = {"Endstone Developers <hello@endstone.dev>"};
+
+    plugin.command("debug")
+        .description("Print debug information.")
+        .usages("/debug")
+        .permissions("cpp_example.command.debug");
+
+    plugin.command("fibonacci")
+        .description("A simple command that writes the Fibonacci series up to n.")
+        .usages("/fibonacci <n: int>")
+        .aliases("fib")
+        .permissions("cpp_example.command.fibonacci", "cpp_example.command.fibonacci.large_n");
+
+    plugin.permission("cpp_example.command")
+        .description("Allow users to use all commands provided by this example plugin")
+        .children("cpp_example.command.debug", true)
+        .children("cpp_example.command.fibonacci", true);
+
+    plugin.permission("cpp_example.command.debug")
+        .description("Allow users to use the debug command")
+        .default_(endstone::PermissionDefault::Operator);
+
+    plugin.permission("cpp_example.command.fibonacci")
+        .description("Allow users to use the fibonacci command")
+        .default_(endstone::PermissionDefault::True)
+        .children("cpp_example.command.fibonacci.large_n", true);
+
+    plugin.permission("cpp_example.command.fibonacci.large_n")
+        .description("Allow users to use the fibonacci command with n >= 1000")
+        .default_(endstone::PermissionDefault::Operator);
+}