diff --git a/src/Ratchet/Wamp/Topic.php b/src/Ratchet/Wamp/Topic.php
index 688195a..c2f7217 100644
--- a/src/Ratchet/Wamp/Topic.php
+++ b/src/Ratchet/Wamp/Topic.php
@@ -32,10 +32,21 @@ class Topic implements \IteratorAggregate, \Countable {
     /**
       * Send a message to all the connections in this topic
       * @param string $msg
+      * @param array $exclude
+      * @param array $eligible
       * @return Topic
       */
-    public function broadcast($msg) {
+    public function broadcast($msg, array $exclude, array $eligible) {
+        $useEligible = count($eligible);
         foreach ($this->subscribers as $client) {
+            if(in_array($client->getSessionId(), $exclude)) {
+                continue;
+            }
+
+            if($useEligible && !in_array($client->getSessionId(), $eligible)) {
+                continue;
+            }
+
             $client->event($this->id, $msg);
         }
 
@@ -85,4 +96,4 @@ class Topic implements \IteratorAggregate, \Countable {
     public function count() {
         return $this->subscribers->count();
     }
-}
\ No newline at end of file
+}
diff --git a/src/Ratchet/Wamp/WampConnection.php b/src/Ratchet/Wamp/WampConnection.php
index de13844..4004843 100644
--- a/src/Ratchet/Wamp/WampConnection.php
+++ b/src/Ratchet/Wamp/WampConnection.php
@@ -99,4 +99,11 @@ class WampConnection extends AbstractConnectionDecorator {
     public function close($opt = null) {
         $this->getConnection()->close($opt);
     }
-}
\ No newline at end of file
+
+	/**
+	 * Get session ID
+	 */
+	public function getSessionId() {
+		return $this->WAMP->sessionId;
+	}
+}