First upload

shop/source/modules/otest/Model/Article.php

@@ -0,0 +1,10 @@
+<?php
+namespace o3test\Model;
+
+class Article extends Article_parent
+{
+    public function getTestField()
+    {
+        return $this->getFieldData('oxtestfield');
+    }
+}

shop/source/modules/otest/metadata.php

@@ -0,0 +1,25 @@
+<?php
+/**
+ * Metadata for module
+ */
+$sMetadataVersion = '2.0';
+
+$aModule = [
+    'id'          => 'otest',
+    'title'       => 'O3 Testmodul',
+    'description' => 'neu Feld',
+    'version'     => '1.0.0',
+    'author'      => 'Mykola Fesenko',
+    'extend'      => [
+        "OxidEsales\Eshop\Application\Model\Article" => "otest\Model\Article",
+    ],
+    'templates' => [],
+    'blocks' => [
+        [
+            'template' => 'page/details/inc/productmain.tpl',
+            'block'    => 'details_productmain_longdesc',
+            'file'     => 'views/blocks/o3test_productmain.tpl'
+        ],
+    ],
+    'settings' => [],
+];