From bcb8c55270fe837ec4512a74f4d283eebc6bc902 Mon Sep 17 00:00:00 2001
From: liyunfang <381296986@qq.com>
Date: Thu, 26 Nov 2015 16:20:35 +0800
Subject: [PATCH] Update README.md

---
 README.md | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index b881382..48c2f7b 100644
--- a/README.md
+++ b/README.md
@@ -93,16 +93,21 @@ class TreeController extends Controller
 ```php
   use leandrogehlen\treegrid\TreeGrid;
   
-  <?= TreeGrid::widget([
-      'dataProvider' => $dataProvider,
-      'keyColumnName' => 'id',
-      'parentColumnName' => 'parent_id',
-      'columns' => [
-          'id',
-          'description',
-          ['class' => 'yii\grid\ActionColumn']
-      ]        
-  ]); ?>
+<?= TreeGrid::widget([
+        'dataProvider' => $dataProvider,
+        'keyColumnName' => 'id',
+        'parentColumnName' => 'parent_id',
+        'parentRoot' => '0', //first parentId value
+        'pluginOptions' => [
+            'initialState' => 'collapsed',
+        ],
+        'columns' => [
+            'name',
+            'id',
+            'parent_id',
+            ['class' => 'yii\grid\ActionColumn']
+        ]     
+      ]); ?>
 ```