diff --git a/src/asyncv/attribute/message.rs b/src/asyncv/attribute/message.rs
index 6afeaa5..1e52a89 100644
--- a/src/asyncv/attribute/message.rs
+++ b/src/asyncv/attribute/message.rs
@@ -22,6 +22,6 @@ pub trait OnMessageHandler: Send + Sync {
 }
 
 #[async_trait]
-pub trait OnMessageBoolean: Send + Sync {
+pub trait OnBooleanMessage: Send + Sync {
     async fn on_message_boolean(&mut self, id: AttributeId, data: bool);
 }
diff --git a/src/asyncv/attribute/message/boolean/attribute.rs b/src/asyncv/attribute/message/boolean/attribute.rs
index 3cac60a..c92b225 100644
--- a/src/asyncv/attribute/message/boolean/attribute.rs
+++ b/src/asyncv/attribute/message/boolean/attribute.rs
@@ -5,6 +5,7 @@ use std::future::Future;
 use std::sync::Arc;
 use tokio::sync::Mutex;
 
+use crate::asyncv::attribute::message::OnBooleanMessage;
 use crate::AttributeError;
 use async_trait::async_trait;
 
@@ -34,6 +35,10 @@ impl AttributeBoolean {
         }
     }
 
+    pub fn with_boolean_message_handler(handler: Arc<Mutex<dyn OnBooleanMessage>>) {
+        // let Box<dyn
+    }
+
     // pub async fn on_change_handler(&self, handler: Box<dyn OnChangeHandler>) {
     //     self.inner.lock().await.on_change_handler(handler);
     // }
diff --git a/src/examples/test_async.rs b/src/examples/test_async.rs
index 01d0f82..2eb0ae4 100644
--- a/src/examples/test_async.rs
+++ b/src/examples/test_async.rs
@@ -1,15 +1,26 @@
+use std::sync::Arc;
+
 use async_trait::async_trait;
+
 use panduza::asyncv::attribute::message::AttributeId;
-use panduza::asyncv::attribute::message::OnMessageBoolean;
+use panduza::asyncv::attribute::message::OnBooleanMessage;
 use panduza::asyncv::Reactor;
 use panduza::ReactorSettings;
 use tokio::time::sleep;
 use tokio::time::Duration;
 
+use tokio::sync::Mutex;
+
 struct TestBehaviour {}
 
+impl TestBehaviour {
+    pub fn to_arc_mutex(self) -> Arc<Mutex<TestBehaviour>> {
+        Arc::new(Mutex::new(self))
+    }
+}
+
 #[async_trait]
-impl OnMessageBoolean for TestBehaviour {
+impl OnBooleanMessage for TestBehaviour {
     async fn on_message_boolean(&mut self, id: AttributeId, data: bool) {}
 }