Modifications

src/BluescaleMailTemplate.php

@@ -153,6 +153,16 @@ class BluescaleMailTemplate implements \JsonSerializable
         return $this;
     }
 
+    public function addAttachment($file, $filename = null)
+    {
+        $file = is_object($file) && method_exists($file, 'getRealPath') ? $file->getRealPath() : $file;
+
+        $this->attachments[] = [
+            'file' => $file,
+            'filename' => $filename ?? basename($file)
+        ];
+    }
+
     /**
      * @param string $key
      * @param string $value