diff --git a/README.md b/README.md
index 31ff529..3e151e9 100644
--- a/README.md
+++ b/README.md
@@ -34,3 +34,16 @@ Also a symlink will be created in your configured bin/ folder, for example:
 
     vendor/bin/wkhtmltopdf-i386
 
+### Usage
+
+You can use the path constant to easily locate the binary in the PHP codebase: 
+
+``` php
+$path = \h4cc\WKHTMLToPDF\WKHTMLToPDF::PATH;
+```
+
+For realpath use following script
+
+``` php
+$realpath = realpath(\h4cc\WKHTMLToPDF\WKHTMLToPDF::PATH);
+```
diff --git a/WKHTMLToPDF.php b/WKHTMLToPDF.php
new file mode 100644
index 0000000..f922b37
--- /dev/null
+++ b/WKHTMLToPDF.php
@@ -0,0 +1,7 @@
+<?php
+namespace h4cc\WKHTMLToPDF;
+
+class WKHTMLToPDF
+{
+    const PATH = __DIR__ . '/bin/wkhtmltopdf-amd64';
+}
diff --git a/composer.json b/composer.json
index fc59328..0246000 100644
--- a/composer.json
+++ b/composer.json
@@ -15,5 +15,10 @@
         "bin/wkhtmltopdf-amd64"
     ],
     "require": {
+    },
+    "autoload": {
+        "psr-4": {
+            "h4cc\\WKHTMLToPDF\\": ""
+        }
     }
 }