diff --git a/composer.json b/composer.json
index 0e7e2bf..0e6c0be 100644
--- a/composer.json
+++ b/composer.json
@@ -13,5 +13,17 @@
         "psr-4": {
             "Dump\\": "src/"
         }
+    },
+    "extra": {
+        "lean": {
+            "autoload": {
+                "definitions" : [
+                    "meta/definitions/auth.php"
+                ],
+                "config": [
+                    "meta/config.php"
+                ]
+            }
+        }
     }
 }
diff --git a/meta/definitions.php b/meta/definitions.php
new file mode 100644
index 0000000..974d651
--- /dev/null
+++ b/meta/definitions.php
@@ -0,0 +1,9 @@
+<?php
+
+use function DI\autowire, DI\create, DI\get;
+
+use Dump\Picea\DumpExtension;
+
+return [
+    DumpExtension::class => autowire(DumpExtension::class),
+];
\ No newline at end of file
diff --git a/src/Picea/DumpExtension.php b/src/Picea/DumpExtension.php
new file mode 100644
index 0000000..4c25261
--- /dev/null
+++ b/src/Picea/DumpExtension.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Dump\Picea;
+
+use Picea\{ Extension\Extension, Extension\FunctionExtension };
+
+class DumpExtension implements Extension {
+
+    public array $token = [ "dump" ];
+
+    public function parse(\Picea\Compiler\Context &$context, ?string $arguments, string $token, array $options = []) : string
+    {
+        return "<?php \dump($arguments) ?>";
+    }
+}