Update README.md

Author: soap

README.md

@@ -29,6 +29,24 @@ This is the contents of the published config file:
 
 ```php
 return [
+    'custom_functions' => [
+        // 'function_name' => [
+        //     'compiler'  => function () { return 'true'; },
+        //     'evaluator' => function (array $variables) { return true; },
+        // ],
+        // 'function_name' => 'App\CustomGuardFunction',
+        // 'authenicated' => \Soap\LaravelWorkflowProcess\GuardFunctions\Authenticated::class,
+
+        'authenticated' => [
+            'compiler' => function ($guard = 'web') {
+                return sprintf('authenticated("%s")', $guard);
+            },
+            'evaluator' => function (array $variables, $guard = 'web') {
+                // This allows checking a specific guard (e.g., 'web', 'api', etc.)
+                return auth()->guard($guard)->check();
+            },
+        ],
+    ],
 ];
 ```