diff --git a/vpd-manager/include/constants.hpp b/vpd-manager/include/constants.hpp
index 9708beb..f5068c9 100644
--- a/vpd-manager/include/constants.hpp
+++ b/vpd-manager/include/constants.hpp
@@ -2,6 +2,7 @@
 
 #include <cstdint>
 #include <iostream>
+#include <vector>
 namespace vpd
 {
 namespace constants
@@ -239,5 +240,10 @@
     "/usr/share/vpd/50001_power_vs.json";
 static constexpr auto correlatedPropJsonFile =
     "/usr/share/vpd/correlated_properties.json";
+
+static constexpr auto rbmcPositionInterface =
+    "xyz.openbmc_project.Inventory.Decorator.Position";
+static std::vector<uint8_t> rbmcPrototypeSystemImValue{
+    55, 54, 48, 48, 50, 48, 48, 48};
 } // namespace constants
 } // namespace vpd