diff --git a/presence/templates/generated.mako.hpp b/presence/templates/generated.mako.hpp
new file mode 100644
index 0000000..3afd29f
--- /dev/null
+++ b/presence/templates/generated.mako.hpp
@@ -0,0 +1,78 @@
+## This file is a template, the comment below is emitted into the generated file
+/* This is an auto generated file. Do not edit. */
+#pragma once
+
+#include <array>
+#include <memory>
+#include <string>
+#include "fallback.hpp"
+#include "fan.hpp"
+#include "gpio.hpp"
+#include "tach.hpp"
+
+using namespace std::string_literals;
+
+namespace phosphor
+{
+namespace fan
+{
+namespace presence
+{
+
+struct ConfigPolicy;
+
+struct ConfigSensors
+{
+    using Sensors = std::array<std::unique_ptr<PresenceSensor>, ${len(sensors)}>;
+
+    static auto& get()
+    {
+        static const Sensors sensors =
+        {
+% for s in sensors:
+            ${s.construct(loader, indent=indent +3)},
+% endfor
+        };
+        return sensors;
+    }
+};
+
+struct ConfigFans
+{
+    using Fans = std::array<Fan, ${len(fans)}>;
+
+    static auto& get()
+    {
+        static const Fans fans =
+        {
+            {
+% for f in fans:
+                Fans::value_type{
+                    "${f.name}"s,
+                    "${f.path}"s,
+                },
+% endfor
+            }
+        };
+        return fans;
+    }
+};
+
+struct ConfigPolicy
+{
+    using Policies = std::array<std::unique_ptr<RedundancyPolicy>, ${len(policies)}>;
+
+    static auto& get()
+    {
+        static const Policies policies =
+        {
+% for p in policies:
+            ${p.construct(loader, indent=indent +3)},
+% endfor
+        };
+        return policies;
+    }
+};
+} // namespace presence
+} // namespace fan
+} // namespace phosphor