diff --git a/EduNetworkBuilder/NetworkBuilder.cs b/EduNetworkBuilder/NetworkBuilder.cs
index 3a5783f..d5cac77 100644
--- a/EduNetworkBuilder/NetworkBuilder.cs
+++ b/EduNetworkBuilder/NetworkBuilder.cs
@@ -2153,5 +2153,10 @@ namespace EduNetworkBuilder
         {
             InvisibleNetwork = null;
         }
+        public bool ProcessingInvisibleNet()
+        {
+            if(InvisibleNetwork == null) return false;
+            return true;
+        }
     }
 }
\ No newline at end of file