diff --git a/examples/channels/main.cpp b/examples/channels/main.cpp
index 06698bd..f5e8924 100644
--- a/examples/channels/main.cpp
+++ b/examples/channels/main.cpp
@@ -26,8 +26,7 @@ int main()
 {
     auto [sender, receiver] = pw::channel<recipe>();
 
-    auto thread = [](recipe::receiver receiver)
-    {
+    auto thread = [](recipe::receiver receiver) {
         auto loop    = pw::main_loop::create();
         auto context = pw::context::create(loop);
         auto core    = context->core();
@@ -37,46 +36,44 @@ int main()
 
         bool exit = false;
 
-        receiver.attach(loop,
-                        [&]<typename T>(const T &msg)
+        receiver.attach(loop, [&]<typename T>(const T &msg) {
+            if constexpr (std::same_as<T, create_virtual_mic>)
+            {
+                auto node = core->create<pw::node>(pw::factory{
+                    .name = "adapter",
+                    .props =
                         {
-                            if constexpr (std::same_as<T, create_virtual_mic>)
-                            {
-                                auto node = core->create<pw::node>(pw::factory{
-                                    .name = "adapter",
-                                    .props =
-                                        {
-                                            {"node.name", msg.name},
-                                            {"media.class", "Audio/Source/Virtual"},
-                                            {"factory.name", "support.null-audio-sink"},
-                                        },
-                                });
-
-                                created.emplace_back(std::move(node.get()));
-                            }
-                            else if constexpr (std::same_as<T, check_node>)
-                            {
-                                auto &mic = created.back();
-
-                                if (!mic.has_value())
-                                {
-                                    std::cerr << "Failed to create node!" << std::endl;
-
-                                    auto error = mic.error();
-                                    std::cerr << error.message << std::endl;
-
-                                    return;
-                                }
-
-                                std::cout << "Created successfully!" << std::endl;
-                                std::cout << mic.value().id() << std::endl;
-                            }
-                            else if constexpr (std::same_as<T, terminate>)
-                            {
-                                exit = true;
-                                loop->quit();
-                            }
-                        });
+                            {"node.name", msg.name},
+                            {"media.class", "Audio/Source/Virtual"},
+                            {"factory.name", "support.null-audio-sink"},
+                        },
+                });
+
+                created.emplace_back(std::move(node.get()));
+            }
+            else if constexpr (std::same_as<T, check_node>)
+            {
+                auto &mic = created.back();
+
+                if (!mic.has_value())
+                {
+                    std::cerr << "Failed to create node!" << std::endl;
+
+                    auto error = mic.error();
+                    std::cerr << error.message << std::endl;
+
+                    return;
+                }
+
+                std::cout << "Created successfully!" << std::endl;
+                std::cout << mic.value().id() << std::endl;
+            }
+            else if constexpr (std::same_as<T, terminate>)
+            {
+                exit = true;
+                loop->quit();
+            }
+        });
 
         while (!exit)
         {
@@ -95,4 +92,4 @@ int main()
     t1.join();
 
     return 0;
-}
\ No newline at end of file
+}
diff --git a/examples/mute-microphone/main.cpp b/examples/mute-microphone/main.cpp
index c3d0121..583bb83 100644
--- a/examples/mute-microphone/main.cpp
+++ b/examples/mute-microphone/main.cpp
@@ -2,9 +2,11 @@
 #include <iostream>
 
 #include <rohrkabel/device/device.hpp>
-#include <rohrkabel/registry/registry.hpp>
 #include <rohrkabel/spa/pod/object/body.hpp>
 
+#include <rohrkabel/registry/events.hpp>
+#include <rohrkabel/registry/registry.hpp>
+
 namespace pw = pipewire;
 
 int main()
@@ -18,8 +20,7 @@ int main()
 
     auto listener = reg->listen();
 
-    auto on_global = [&](const pipewire::global &global)
-    {
+    auto on_global = [&](const pipewire::global &global) {
         if (global.type != pipewire::device::type)
         {
             return;
@@ -61,12 +62,10 @@ int main()
     auto params = device.params();
     core->update();
 
-    auto get_mute = [](const pw::spa::pod &pod)
-    {
+    auto get_mute = [](const pw::spa::pod &pod) {
         // NOLINTNEXTLINE
         auto impl = [](const pw::spa::pod_prop *parent, const pw::spa::pod &pod,
-                       auto &self) -> std::optional<pw::spa::pod_prop>
-        {
+                       auto &self) -> std::optional<pw::spa::pod_prop> {
             if (pod.type() == pw::spa::pod_type::object)
             {
                 for (const auto &item : pod.body<pw::spa::pod_object_body>())
@@ -125,4 +124,4 @@ int main()
     device.set_param(13, pods.at(13).get());
 
     core.sync();
-*/
\ No newline at end of file
+*/
diff --git a/examples/roundtrip/main.cpp b/examples/roundtrip/main.cpp
index 700b260..f8df536 100644
--- a/examples/roundtrip/main.cpp
+++ b/examples/roundtrip/main.cpp
@@ -2,6 +2,8 @@
 #include <iostream>
 
 #include <rohrkabel/node/node.hpp>
+
+#include <rohrkabel/registry/events.hpp>
 #include <rohrkabel/registry/registry.hpp>
 
 namespace pw = pipewire;
@@ -15,8 +17,7 @@ int main()
 
     auto listener = reg->listen();
 
-    auto on_global = [&](const pw::global &global)
-    {
+    auto on_global = [&](const pw::global &global) {
         if (global.type != pw::node::type)
         {
             return;
diff --git a/examples/virtual-mic/main.cpp b/examples/virtual-mic/main.cpp
index 579f6b9..9d0ab77 100644
--- a/examples/virtual-mic/main.cpp
+++ b/examples/virtual-mic/main.cpp
@@ -6,6 +6,8 @@
 #include <rohrkabel/node/node.hpp>
 
 #include <rohrkabel/metadata/metadata.hpp>
+
+#include <rohrkabel/registry/events.hpp>
 #include <rohrkabel/registry/registry.hpp>
 
 namespace pw = pipewire;
@@ -25,8 +27,7 @@ int main()
 
     auto listener = reg->listen();
 
-    auto on_global = [&](const pw::global &global)
-    {
+    auto on_global = [&](const pw::global &global) {
         if (global.type == pw::metadata::type)
         {
             auto metadata   = reg->bind<pw::metadata>(global.id).get();
@@ -180,4 +181,4 @@ int main()
 
     std::cin.get();
     return 0;
-}
\ No newline at end of file
+}