diff --git a/extension/lite/execution/ext/model/lite.php b/extension/lite/execution/ext/model/lite.php
index 95f97b295d..a4c0406aea 100644
--- a/extension/lite/execution/ext/model/lite.php
+++ b/extension/lite/execution/ext/model/lite.php
@@ -32,3 +32,48 @@ public function setMenu($executionID, $buildID = 0, $extra = '')
 
     $this->lang->modulePageNav = $modulePageNav;
 }
+
+public function getTree($executionID)
+{
+    $fullTrees = $this->loadModel('tree')->getTaskStructure($executionID, 0);
+
+    array_unshift($fullTrees, array('id' => 0, 'name' => '/', 'type' => 'task', 'actions' => false, 'root' => $executionID));
+
+    foreach($fullTrees as $i => $tree)
+    {
+        $tree = (object)$tree;
+
+        if($tree->type == 'product') array_unshift($tree->children, array('id' => 0, 'name' => '/', 'type' => 'story', 'actions' => false, 'root' => $tree->root));
+        $fullTree = $this->fillTasksInTree($tree, $executionID);
+
+        if(empty($fullTree->children))
+        {
+            unset($fullTrees[$i]);
+        }
+        else
+        {
+            $fullTrees[$i] = $fullTree;
+        }
+    }
+
+    if(isset($fullTrees[0]) and empty($fullTrees[0]->children)) array_shift($fullTrees);
+
+    $newTrees = array();
+
+    foreach($fullTrees as $i => $tree)
+    {
+        if($tree->type == 'product')
+        {
+            foreach($tree->children as $value)
+            {
+                $newTrees[] = $value;
+            }
+        }
+        else
+        {
+            $newTrees[] = $tree;
+        }
+    }
+
+    return array_values($newTrees);
+}