diff --git a/src/Core/Action.php b/src/Core/Action.php
index <HASH>..<HASH> 100644
--- a/src/Core/Action.php
+++ b/src/Core/Action.php
@@ -6,7 +6,7 @@ abstract class Action
 {
     protected $scenario;
 
-    abstract public function execute();
+    abstract public function execute($result);
 
     public function __invoke(Runnable $scenario, $lastStepResult)
     {
fix minor issue with Action/SideAction