diff --git a/control/json/triggers/handlers.hpp b/control/json/triggers/handlers.hpp
new file mode 100644
index 0000000..2a52757
--- /dev/null
+++ b/control/json/triggers/handlers.hpp
@@ -0,0 +1,55 @@
+#pragma once
+
+#include "../manager.hpp"
+
+#include <sdbusplus/message.hpp>
+
+#include <algorithm>
+#include <map>
+#include <tuple>
+#include <vector>
+
+namespace phosphor::fan::control::json::trigger::signal
+{
+
+using namespace sdbusplus::message;
+
+struct Handlers
+{
+
+  public:
+    /**
+     * @brief Processes a properties changed signal and updates the property's
+     * value in the manager's object cache
+     *
+     * @param[in] msg - The sdbusplus signal message
+     * @param[in] obj - Object data associated with the signal
+     * @param[in] mgr - Manager that stores the object cache
+     */
+    static bool propertiesChanged(message& msg, const SignalObject& obj,
+                                  Manager& mgr)
+    {
+        std::string intf;
+        msg.read(intf);
+        if (intf != std::get<Intf>(obj))
+        {
+            // Interface name does not match object's interface
+            return false;
+        }
+
+        std::map<std::string, PropertyVariantType> props;
+        msg.read(props);
+        auto itProp = props.find(std::get<Prop>(obj));
+        if (itProp == props.cend())
+        {
+            // Object's property not in dictionary of properties changed
+            return false;
+        }
+
+        mgr.setProperty(std::get<Path>(obj), std::get<Intf>(obj),
+                        std::get<Prop>(obj), itProp->second);
+        return true;
+    }
+};
+
+} // namespace phosphor::fan::control::json::trigger::signal