diff --git a/inc/button_config.hpp b/inc/button_config.hpp
new file mode 100644
index 0000000..7678d25
--- /dev/null
+++ b/inc/button_config.hpp
@@ -0,0 +1,27 @@
+#pragma once
+#include "config.h"
+
+#include "cpld.hpp"
+#include "gpio.hpp"
+
+#include <nlohmann/json.hpp>
+
+#include <iostream>
+
+enum class ConfigType
+{
+    gpio,
+    cpld
+};
+
+// this struct represents button interface
+struct ButtonConfig
+{
+    ConfigType type;
+    std::string formFactorName;   // name of the button interface
+    std::vector<GpioInfo> gpios;  // holds single or group gpio config
+    CpldInfo cpld;                // holds single cpld config
+    std::vector<int> fds;         // store all the fds listen io event which
+                                  // mapped with the gpio or cpld
+    nlohmann::json extraJsonInfo; // corresponding to button interface
+};