diff --git a/library/Director/Objects/IcingaServiceAssignment.php b/library/Director/Objects/IcingaServiceAssignment.php
new file mode 100644
index 00000000..5a0afca1
--- /dev/null
+++ b/library/Director/Objects/IcingaServiceAssignment.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Icinga\Module\Director\Objects;
+
+class IcingaServiceAssignment extends IcingaObject
+{
+    protected $table = 'icinga_service_assignment';
+
+    protected $defaultProperties = array(
+        'id'            => null,
+        'service_id'    => null,
+        'filter_string' => null,
+    );
+
+    protected $relations = array(
+        'service' => 'IcingaService',
+    );
+}