diff --git a/src/core/connection.rs b/src/core/connection.rs
index b468fae..57526d4 100644
--- a/src/core/connection.rs
+++ b/src/core/connection.rs
@@ -21,8 +21,11 @@ pub mod request_connection;
 
 type ConnectionRegister<T> = Vec<Arc<dyn GenericConnection<T> + Send + Sync>>;
 
-pub(crate) enum ConnectionEnum<T> {
+/// Connection 
+pub enum ConnectionEnum<T> {
+    /// Configuration of the connection
     Config(ConnectionConfig<T>),
+    /// Active connection
     Active(ActiveConnection<T>),
 }
 
diff --git a/src/core/connection/outbound_connection.rs b/src/core/connection/outbound_connection.rs
index 9c9a4f6..3604aee 100644
--- a/src/core/connection/outbound_connection.rs
+++ b/src/core/connection/outbound_connection.rs
@@ -4,9 +4,13 @@ use crate::core::{outbound::GenericConnection, Activate};
 
 use super::{ConnectionEnum, ConnectionRegister};
 
-pub(crate) struct ConnectionConfig<T> {
+/// Connection configuration
+pub struct ConnectionConfig<T> {
+    /// List of connections
     pub connection_register: ConnectionRegister<T>,
+    /// Launch pad for new connections
     pub maybe_register_launch_pad: Option<tokio::sync::oneshot::Sender<ConnectionRegister<T>>>,
+    /// Landing pad for new connections
     pub maybe_register_landing_pad: Option<tokio::sync::oneshot::Receiver<ConnectionRegister<T>>>,
 }
 
@@ -22,6 +26,7 @@ impl<T> Drop for ConnectionConfig<T> {
 }
 
 impl<T> ConnectionConfig<T> {
+    /// 
     pub fn new() -> Self {
         let (connection_launch_pad, connection_landing_pad) = tokio::sync::oneshot::channel();
         Self {
@@ -32,16 +37,21 @@ impl<T> ConnectionConfig<T> {
     }
 }
 
-pub(crate) struct ActiveConnection<T> {
+/// Active connection
+pub struct ActiveConnection<T> {
+    /// List of connections
     pub maybe_registers: Option<ConnectionRegister<T>>,
+    /// Landing pad for new connections
     pub maybe_register_landing_pad: Option<tokio::sync::oneshot::Receiver<ConnectionRegister<T>>>,
 }
 
 impl<T: Clone + Send + Sync + std::fmt::Debug + 'static> ConnectionEnum<T> {
+    /// new connection
     pub fn new() -> Self {
         Self::Config(ConnectionConfig::new())
     }
 
+    /// push connection
     pub fn push(&mut self, connection: Arc<dyn GenericConnection<T> + Send + Sync>) {
         match self {
             Self::Config(config) => {
diff --git a/src/core/outbound.rs b/src/core/outbound.rs
index 2a279ab..541e68d 100644
--- a/src/core/outbound.rs
+++ b/src/core/outbound.rs
@@ -36,10 +36,11 @@ pub struct OutboundChannel<T> {
     pub name: String,
     /// Name of the actor that sends the outbound messages.
     pub actor_name: String,
-    pub(crate) connection_register: ConnectionEnum<T>,
+    /// register
+    pub connection_register: ConnectionEnum<T>,
 }
 
-impl<OutT: Default + Clone + Send + Sync + std::fmt::Debug + 'static> OutboundChannel<OutT> {
+impl<OutT: Clone + Send + Sync + std::fmt::Debug + 'static> OutboundChannel<OutT> {
     /// Create a new outbound for actor in provided context.    
     pub fn new(context: &mut Context, name: String, actor_name: &str) -> Self {
         context.assert_unique_outbound_name(name.clone(), actor_name);
@@ -137,7 +138,9 @@ impl<Out, InT, M: InboundMessage> Debug for OutboundConnectionWithAdapter<Out, I
     }
 }
 
-pub(crate) trait GenericConnection<T>: Send + Sync {
+/// Generic connection trait
+pub trait GenericConnection<T>: Send + Sync {
+    /// Send a message to the connected inbound channels to other actors.
     fn send_impl(&self, msg: T);
 }