diff --git a/src/debugHostSelector_button.cpp b/src/debugHostSelector_button.cpp
new file mode 100644
index 0000000..6f078f2
--- /dev/null
+++ b/src/debugHostSelector_button.cpp
@@ -0,0 +1,66 @@
+#include "debugHostSelector_button.hpp"
+// add the button iface class to registry
+static ButtonIFRegister<DebugHostSelector> buttonRegister;
+using namespace phosphor::logging;
+
+void DebugHostSelector::simPress()
+{
+    pressed();
+}
+
+void DebugHostSelector::simRelease()
+{
+    released();
+}
+
+void DebugHostSelector::simLongPress()
+{
+    pressedLong();
+}
+
+/**
+ * @brief This method is called from sd-event provided callback function
+ * callbackHandler if platform specific event handling is needed then a
+ * derived class instance with its specific event handling logic along with
+ * init() function can be created to override the default event handling
+ */
+
+void DebugHostSelector::handleEvent(sd_event_source* /* es */, int fd,
+                                    uint32_t /* revents*/)
+{
+    int n = -1;
+    char buf = '0';
+
+    n = ::lseek(fd, 0, SEEK_SET);
+
+    if (n < 0)
+    {
+        lg2::error("GPIO fd lseek error!  : {FORM_FACTOR_TYPE}",
+                   "FORM_FACTOR_TYPE", getFormFactorType());
+        return;
+    }
+
+    n = ::read(fd, &buf, sizeof(buf));
+    if (n < 0)
+    {
+        lg2::error("GPIO fd read error!  : {FORM_FACTOR_TYPE}",
+                   "FORM_FACTOR_TYPE", getFormFactorType());
+        throw sdbusplus::xyz::openbmc_project::Chassis::Common::Error::
+            IOError();
+    }
+
+    if (buf == '0')
+    {
+        lg2::info("Button pressed : {FORM_FACTOR_TYPE}", "FORM_FACTOR_TYPE",
+                  getFormFactorType());
+        // emit pressed signal
+        pressed();
+    }
+    else
+    {
+        lg2::info("Button released{FORM_FACTOR_TYPE}", "FORM_FACTOR_TYPE",
+                  getFormFactorType());
+        // emit released signal
+        released();
+    }
+}
\ No newline at end of file