diff --git a/manager.cpp b/manager.cpp
index 36d47a6..8acd0ec 100644
--- a/manager.cpp
+++ b/manager.cpp
@@ -153,6 +153,11 @@
 void Manager::signal(sdbusplus::message::message &msg, auto &args)
 {
     // TODO - unstub
+    auto &filter = std::get<1>(args);
+
+    if(filter(msg)) {
+
+    }
 }
 
 #include "generated.hpp"