diff --git a/snappymail/v/0.0.0/app/libraries/RainLoop/Plugins/PropertyCollection.php b/snappymail/v/0.0.0/app/libraries/RainLoop/Plugins/PropertyCollection.php
new file mode 100644
index 000000000..c61a1241c
--- /dev/null
+++ b/snappymail/v/0.0.0/app/libraries/RainLoop/Plugins/PropertyCollection.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace RainLoop\Plugins;
+
+//class PropertyCollection extends \MailSo\Base\Collection
+class PropertyCollection extends \ArrayObject implements \JsonSerializable
+{
+	/**
+	 * @var string
+	 */
+	private $sLabel;
+
+	function __construct(string $sLabel)
+	{
+		$this->sLabel = $sLabel;
+	}
+
+	public function jsonSerialize()
+	{
+		return array(
+			'@Object' => 'Object/PluginProperty',
+			'Type' => \RainLoop\Enumerations\PluginPropertyType::GROUP,
+			'Label' => $this->sLabel,
+			'config' => $this->getArrayCopy()
+/*
+			'config' => [
+				'@Object' => 'Collection/PropertyCollection',
+				'@Collection' => $this->getArrayCopy(),
+			]
+*/
+		);
+	}
+}