diff --git a/extensions/openpower-pels/dbus_types.hpp b/extensions/openpower-pels/dbus_types.hpp
new file mode 100644
index 0000000..d263958
--- /dev/null
+++ b/extensions/openpower-pels/dbus_types.hpp
@@ -0,0 +1,23 @@
+#pragma once
+
+#include <map>
+#include <sdbusplus/bus.hpp>
+#include <string>
+#include <variant>
+#include <vector>
+
+namespace openpower::pels
+{
+
+using DBusValue =
+    sdbusplus::message::variant<std::string, bool, std::vector<uint8_t>>;
+using DBusProperty = std::string;
+using DBusInterface = std::string;
+using DBusService = std::string;
+using DBusPath = std::string;
+using DBusInterfaceList = std::vector<DBusInterface>;
+using DBusPathList = std::vector<DBusPath>;
+using DBusPropertyMap = std::map<DBusProperty, DBusValue>;
+using DBusInterfaceMap = std::map<DBusInterface, DBusPropertyMap>;
+
+} // namespace openpower::pels