diff --git a/README.md b/README.md
index eae6933..4a2b5cc 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,12 @@
 ```bash 
 composer install nanoblocktech/markdown
 ```
+
+```php
+$markdown = new Markdown();
+
+$markdown->text('### Hello');
+$markdown->enableTableOfContents(true);
+$markdown->setHeadings(['h1', 'h2']);
+$arry = $markdown->getTableOfContents();
+```