diff --git a/includes/Events.php b/includes/Events.php
index 26589c5..9d60594 100644
--- a/includes/Events.php
+++ b/includes/Events.php
@@ -6,11 +6,11 @@
  */
 final class Events {
 	/**
-	 * The category of an event.
+	 * The Array of categories in an event.
 	 *
-	 * @var string
+	 * @var array
 	 */
-	protected static $category = 'wonder_start';
+	protected static $category = array( 'wonder_start', 'experiment' );
 
 	/**
 	 * List of valid actions that an event can perform.
@@ -54,6 +54,7 @@ final class Events {
 		'logo_skipped'                => true,
 		'site_generation_time'        => true,
 		'error_state_triggered'       => true,
+		'exp_fork_ai'                 => true,
 	);
 
 	/**
@@ -66,9 +67,9 @@ public static function get_valid_actions() {
 	}
 
 	/**
-	 * Valid category of on event.
+	 * Valid categories of on event.
 	 *
-	 * @return string
+	 * @return array
 	 */
 	public static function get_category() {
 		return self::$category;
diff --git a/includes/Flows/Flows.php b/includes/Flows/Flows.php
index 979cd6b..f946ee4 100644
--- a/includes/Flows/Flows.php
+++ b/includes/Flows/Flows.php
@@ -137,7 +137,8 @@ final class Flows {
 		),
 
 		'sitegen'              => array(
-			'siteDetails'           => array(
+			'theForkExperimentVersion' => 0,
+			'siteDetails'              => array(
 				'name'                => '',
 				'type'                => '',
 				'style'               => '',
@@ -145,27 +146,27 @@ final class Flows {
 				'uniqueAboutBusiness' => '',
 				'mode'                => 'simple',
 			),
-			'siteLogo'              => array(
+			'siteLogo'                 => array(
 				'id'       => 0,
 				'url'      => '',
 				'fileName' => '',
 				'fileSize' => 0,
 			),
-			'experience'            => array(
+			'experience'               => array(
 				'level' => 0,
 			),
-			'siteGenMetaStatus'     => array(
+			'siteGenMetaStatus'        => array(
 				'currentStatus' => 0,
 				'totalCount'    => 9,
 			),
-			'homepages'             => array(
+			'homepages'                => array(
 				'active' => array(),
 				'data'   => array(),
 			),
-			'skipCache'             => true,
-			'sitemapPagesGenerated' => false,
-			'customDesign'          => false,
-			'siteGenErrorStatus'    => false,
+			'skipCache'                => true,
+			'sitemapPagesGenerated'    => false,
+			'customDesign'             => false,
+			'siteGenErrorStatus'       => false,
 		),
 
 		'continueWithoutAi'    => false,