diff --git a/README.md b/README.md
index 013a5fb..bc8a0a2 100644
--- a/README.md
+++ b/README.md
@@ -120,6 +120,11 @@ Fast, simple, async php telegram api server:
     
     Bot:
     * `http://127.0.0.1:9503/api/bot/botLogin?token=34298141894:aflknsaflknLKNFS`
+    
+    After authorization eventHandler need to be set, to receive updates for new session in `/events` websocket:
+    * `http://127.0.0.1:9503/api/users/xtrime/setEventHandler`
+    * `http://127.0.0.1:9503/api/bot/setEventHandler`
+
 * EventHandler updates via websocket. Connect to `ws://127.0.0.1:9503/events`. You will get all events in json.
     Each event is json object in [json-rpc 2.0 format](https://www.jsonrpc.org/specification#response_object). Example: 
     
diff --git a/src/EventObservers/EventHandler.php b/src/EventObservers/EventHandler.php
index 7272684..3c4f942 100644
--- a/src/EventObservers/EventHandler.php
+++ b/src/EventObservers/EventHandler.php
@@ -10,16 +10,18 @@ class EventHandler extends \danog\MadelineProto\EventHandler
 {
     /** @var callable[] */
     public static array $eventListeners = [];
+    private string $sessionName;
 
-    public function __construct(?API $MadelineProto)
+    public function __construct(API $MadelineProto)
     {
         parent::__construct($MadelineProto);
-        echo 'Event observer CONSTRUCTED' . PHP_EOL;
+        $this->sessionName = Client::getSessionName($MadelineProto->session);
+        Logger::getInstance()->warning("Event observer CONSTRUCTED: {$this->sessionName}");
     }
 
     public function __destruct()
     {
-        echo 'Event observer DESTRUCTED' . PHP_EOL;
+        Logger::getInstance()->warning("Event observer DESTRUCTED {$this->sessionName}");
     }
 
     public static function addEventListener($clientId, callable $callback)
@@ -41,12 +43,11 @@ class EventHandler extends \danog\MadelineProto\EventHandler
 
     public function onAny($update): void
     {
-        $session = Client::getSessionName($this->API->wrapper->session ?? null);
-        Logger::getInstance()->info("Received update from session: {$session}");
+        Logger::getInstance()->info("Received update from session: {$this->sessionName}");
 
         foreach (static::$eventListeners as $clientId => $callback) {
             Logger::getInstance()->notice("Pass update to callback. ClientId: {$clientId}");
-            $callback($update, $session);
+            $callback($update, $this->sessionName);
         }
     }
 }
\ No newline at end of file
diff --git a/src/MadelineProtoExtensions/ApiExtensions.php b/src/MadelineProtoExtensions/ApiExtensions.php
index 1a15b56..4c9cbd0 100644
--- a/src/MadelineProtoExtensions/ApiExtensions.php
+++ b/src/MadelineProtoExtensions/ApiExtensions.php
@@ -10,6 +10,7 @@ use Amp\Producer;
 use Amp\Promise;
 use danog\MadelineProto\TL\Conversion\BotAPI;
 use OutOfRangeException;
+use TelegramApiServer\EventObservers\EventHandler;
 use UnexpectedValueException;
 use function Amp\call;
 use \danog\MadelineProto;
@@ -474,7 +475,13 @@ class ApiExtensions
         });
     }
 
-    private function getByteRange(?string $header) {
+    public function setEventHandler(): void
+    {
+        $this->madelineProto->setEventHandler(EventHandler::class);
+    }
+
+    private function getByteRange(?string $header): array
+    {
         $matches = [
             'start' => 0,
             'end' => -1