diff --git a/lib/BackgroundJob/MatrixListener.php b/lib/BackgroundJob/MatrixListener.php
new file mode 100644
index 0000000..733a7b9
--- /dev/null
+++ b/lib/BackgroundJob/MatrixListener.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace OCA\UPschooling\BackgroundJob;
+
+use OCA\UPschooling\Service\MatrixListenerService;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\BackgroundJob\TimedJob;
+use Psr\Log\LoggerInterface;
+
+class MatrixListener extends TimedJob {
+    /** @var MatrixListenerService */
+    private $matrixListenerService;
+
+    /** @var LoggerInterface */
+    private $logger;
+
+    public function __construct(ITimeFactory $time, MatrixListenerService $matrixListenerService, LoggerInterface $logger) {
+        parent::__construct($time);
+
+        parent::setInterval(1);
+        $this->logger = $logger;
+        $this->matrixListenerService = $matrixListenerService;
+    }
+
+    protected function run($argument) {
+        $this->matrixListenerService->listen();
+    }
+}
diff --git a/lib/Events/NewMessageEvent.php b/lib/Events/NewMessageEvent.php
new file mode 100644
index 0000000..15ea058
--- /dev/null
+++ b/lib/Events/NewMessageEvent.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace OCA\UPschooling\Events;
+
+use OCP\EventDispatcher\Event;
+
+class NewMessageEvent extends Event {
+
+    public function __construct()
+    {
+
+    }
+
+}
diff --git a/lib/Service/MatrixListenerService.php b/lib/Service/MatrixListenerService.php
new file mode 100644
index 0000000..a1cf6d4
--- /dev/null
+++ b/lib/Service/MatrixListenerService.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace OCA\UPschooling\Service;
+
+use Aryess\PhpMatrixSdk\Exceptions\MatrixException;
+use Aryess\PhpMatrixSdk\Exceptions\MatrixHttpLibException;
+use Aryess\PhpMatrixSdk\Exceptions\MatrixRequestException;
+use Aryess\PhpMatrixSdk\Exceptions\ValidationException;
+use Aryess\PhpMatrixSdk\MatrixClient;
+use Psr\Log\LoggerInterface;
+
+/**
+ *
+ */
+class MatrixListenerService {
+
+	/** @var LoggerInterface */
+	private $logger;
+
+	/** @var MatrixClient */
+	private $client;
+
+	/** @var string */
+	private $registrationSecret = "oyYh_iEJ7Aim.iB+ye.Xk;Gl3iHFab5*8K,zv~IulT85P=c-38";
+
+	/**
+	 * @param LoggerInterface $logger
+	 * @throws MatrixException
+	 * @throws MatrixHttpLibException
+	 * @throws MatrixRequestException
+	 * @throws ValidationException
+	 */
+	public function __construct(LoggerInterface $logger) {
+		$this->logger = $logger;
+		$serverUrl = "http://synapse:8008";
+		$user = "upschooling";
+		$this->client = new MatrixClient($serverUrl);
+		$this->client->login($user, "secret", true);
+		$this->logger->debug("Logged in as " . $user . " on server " . $serverUrl);
+	}
+
+	/**
+	 * Handle invites
+	 *
+	 * @throws MatrixException
+	 */
+	public function handleInvites(int $roomId, array $someState) {
+		$this->client->joinRoom($roomId);
+	}
+
+	public static function test() {
+		var_dump("Test");
+	}
+
+	public function listen() {
+		$syncResponse = $this->client->api()->sync();
+		foreach (array_get($syncResponse, 'rooms.invite', []) as $roomId => $inviteRoom) {
+			try {
+				$this->client->joinRoom($roomId);
+			} catch (\Exception $e) {
+				$this->logger->info("Join for room: " . $roomId . " failed.");
+			}
+			$this->logger->debug("joined " . $roomId);
+		}
+	}
+}