diff --git a/README.md b/README.md
index d50f046..1c9dc99 100755
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ Forked and refactor by Francesco "Abbadon1334" Danti.
 
 Now working as intended, with good coverage. 
 
-Generate reStructuredText for Sphinx based documentation from PHPDoc annotations. 
+##Generate reStructuredText for Sphinx based documentation from PHPDoc annotations. 
 
 This project is heavily based on [phpDocumentor/Reflection](https://github.com/phpDocumentor/Reflection)
 and makes use of [sphinxcontrib-phpdomain](https://github.com/markstory/sphinxcontrib-phpdomain).
@@ -25,7 +25,65 @@ Install phpdoc-to-rst to your project directory:
     
     composer require --dev abbadon1334/phpdoc-to-rst
     
+Command line usage
+-
 Run the command line tool to parse the folders containing your PHP tree and render the reStructuredText files to the output directory:
 
-    ./vendor/bin/phpdoc-to-rst docs/api/ src/
+    php vendor/bin/phpdoc-to-rst generate --repo-base "$PWD" --repo-github https://github.com/abbadon1334/phpdoc-to-rst -t docs/rst/ src/
+
+Programatically usage to generate documentation rst
+-
+```PHP
+
+    // your source path or multiple path to be parsed
+    $src = [__DIR__.'/../src'];
+    
+    // destination path for the documentation
+    $dst = __DIR__.'/../docs/api';
+    
+    $apiDocBuilder = new ApiDocBuilder($src, $dst);
+    
+    // DEBUG FATURES : optional
+    // optional : activate verbosity
+    $apiDocBuilder->setVerboseOutput(true);
+    // optional : activate debug
+    $apiDocBuilder->setDebugOutput(true);
+    
+    // EXTENSIONS : optional
+        
+    /**
+     * Do not render classes marked with phpDoc internal tag
+     * Do only render public methods/properties.
+     */
+    $apiDocBuilder->addExtension(PublicOnlyExtension::class);
+        
+    /**
+     * Do not render classes marked with phpDoc internal tag
+     * Do only render public methods/properties.
+     */
+    $apiDocBuilder->addExtension(NoPrivateExtension::class);
+        
+    /**
+     * This extension will render a list of methods  for easy access
+     * at the beginning of classes, interfaces and traits.
+     */
+    $apiDocBuilder->addExtension(TocExtension::class);
+        
+    /**
+     * This extension adds a link to the source at github to all elements.
+     *
+     * Arguments
+     * 0 => Url to the github repo (required)
+     * 1 => Path to the git repository (required)
+     * 2 => Branch to link to (default=master)
+     */
+    $apiDocBuilder->addExtension(GithubLocationExtension::class, [
+        __DIR__.'/../src',
+        'http://github.com/abbadon1334/phpdoc-to-rst/',
+    ]);
+    
+    // Build documentation
+    $apiDocBuilder->build();
+
+```