diff --git a/host_state_manager.cpp b/host_state_manager.cpp
new file mode 100644
index 0000000..378396c
--- /dev/null
+++ b/host_state_manager.cpp
@@ -0,0 +1,13 @@
+#include <iostream>
+#include "host_state_manager.hpp"
+
+namespace phosphor
+{
+namespace state
+{
+namespace manager
+{
+
+} // namespace manager
+} // namespace state
+} // namepsace phosphor