diff --git a/src/asyncv/attribute/message.rs b/src/asyncv/attribute/message.rs
index 022ac5b..6afeaa5 100644
--- a/src/asyncv/attribute/message.rs
+++ b/src/asyncv/attribute/message.rs
@@ -12,9 +12,16 @@ pub use super::AttributeBuilder;
 
 pub type MessageClient = rumqttc::AsyncClient;
 
+pub type AttributeId = u32;
+
 /// Trait to manage an message attribute (MQTT)
 /// Sync version
 #[async_trait]
 pub trait OnMessageHandler: Send + Sync {
     async fn on_message(&mut self, data: &Bytes);
 }
+
+#[async_trait]
+pub trait OnMessageBoolean: 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 dd92154..3cac60a 100644
--- a/src/asyncv/attribute/message/boolean/attribute.rs
+++ b/src/asyncv/attribute/message/boolean/attribute.rs
@@ -43,16 +43,16 @@ impl AttributeBoolean {
 
     /// Set the value of the attribute
     ///
-    // pub async fn set(&self, value: bool) -> Result<(), AttributeError> {
-    //     self.inner.lock().await.set(value).await?;
-    //     // let cv = self.inner.lock().await.set_ensure_lock_clone();
-    //     // cv.with_lock(|mut done| {
-    //     //     while !*done {
-    //     //         done.wait();
-    //     //     }
-    //     // });
-    //     // Ok(())
-    // }
+    pub async fn set(&self, value: bool) -> Result<(), AttributeError> {
+        self.inner.lock().await.set(value).await?;
+        // let cv = self.inner.lock().await.set_ensure_lock_clone();
+        // cv.with_lock(|mut done| {
+        //     while !*done {
+        //         done.wait();
+        //     }
+        // });
+        Ok(())
+    }
 
     /// Get the value of the attribute
     ///
diff --git a/src/asyncv/attribute/message/boolean/attribute/inner.rs b/src/asyncv/attribute/message/boolean/attribute/inner.rs
index 79a746f..043a8da 100644
--- a/src/asyncv/attribute/message/boolean/attribute/inner.rs
+++ b/src/asyncv/attribute/message/boolean/attribute/inner.rs
@@ -25,6 +25,7 @@ use monitor::Monitor;
 /// Inner implementation of the boolean message attribute
 ///
 pub struct InnerBoolean {
+    id: AttributeId,
     /// Members at the core of each attribute
     core: MessageCoreMembers,
     /// Current value of the attribute