diff --git a/src/client.rs b/src/client.rs
index 92e980f..c909634 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -194,21 +194,23 @@ mod clientlinks {
 }
 
 pub struct Client {
+    queue: Queue,
     registry: ClientRegistry,
     rx: Receiver<Message>,
 }
 
 impl Client {
-    fn new(rx: Receiver<Message>) -> Self {
+    fn new(rx: Receiver<Message>, queue: Queue) -> Self {
         Self {
+            queue: queue,
             registry: ClientRegistry::new(),
             rx: rx,
         }
     }
 
-    pub fn start(_queue: Queue) -> ClientLink {
+    pub fn start(queue: Queue) -> ClientLink {
         let (tx, rx) = channel();
-        let mut client = Client::new(rx);
+        let mut client = Client::new(rx, queue);
         let link = ClientLink::new(tx, client.get_registry());
         spawn(move || {
             client.listen();
@@ -219,6 +221,7 @@ impl Client {
     fn listen(&mut self) {
         loop {
             let msg = self.rx.recv().unwrap();
+            self.queue.send(Message::new(MsgType::SessionValidate));
             let id = msg.get_data().get("tx_id").unwrap().to_uuid().unwrap();
             let reply = Reply {};
             self.registry.send(&id, reply);
@@ -234,12 +237,22 @@ impl Client {
 mod clients {
     use super::*;
     use requests::create_request;
+    use std::time::Duration;
+
+    static TIMEOUT: Duration = Duration::from_millis(500);
 
     #[test]
     fn start_client() {
-        let queue = Queue::new();
+        let (tx, rx) = channel();
+        let mut queue = Queue::new();
+        queue.add(tx);
         let mut link = Client::start(queue.clone());
         let req = create_request();
         link.send(req);
+        let sess = rx.recv_timeout(TIMEOUT).unwrap();
+        match sess.get_class() {
+            MsgType::SessionValidate => {},
+            _ => unreachable!("should request session validation"),
+        }
     }
 }
diff --git a/src/queue.rs b/src/queue.rs
index e10c0b9..7870b58 100644
--- a/src/queue.rs
+++ b/src/queue.rs
@@ -1,10 +1,7 @@
 use crate::{client::Request, field::Field};
 use std::{
     collections::HashMap,
-    sync::{
-        mpsc::Sender,
-        Arc, RwLock,
-    },
+    sync::{mpsc::Sender, Arc, RwLock},
 };
 use uuid::Uuid;
 
@@ -12,6 +9,7 @@ use uuid::Uuid;
 pub enum MsgType {
     ClientRequest,
     NoOp,
+    SessionValidate,
 }
 
 #[derive(Clone)]
@@ -137,12 +135,12 @@ impl Queue {
         }
     }
 
-    fn add(&self, tx: Sender<Message>) {
+    pub fn add(&self, tx: Sender<Message>) {
         let mut store = self.store.write().unwrap();
         store.push(tx);
     }
 
-    fn send(&self, msg: Message) {
+    pub fn send(&self, msg: Message) {
         let store = self.store.read().unwrap();
         for sender in store.iter() {
             sender.send(msg.clone()).unwrap();
@@ -152,8 +150,8 @@ impl Queue {
 
 #[cfg(test)]
 mod serviceredistries {
-    use std::sync::mpsc::channel;
     use super::*;
+    use std::sync::mpsc::channel;
 
     #[test]
     fn create_queue() {