diff --git a/src/id_button.cpp b/src/id_button.cpp
index c543556..71e8539 100644
--- a/src/id_button.cpp
+++ b/src/id_button.cpp
@@ -16,7 +16,47 @@
 
 #include "id_button.hpp"
 
+// add the button iface class to registry
+static ButtonIFRegister<IDButton> buttonRegister;
+
 void IDButton::simPress()
 {
     pressed();
-}
\ No newline at end of file
+}
+
+void IDButton::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)
+    {
+        phosphor::logging::log<phosphor::logging::level::ERR>(
+            (getFormFactorType() + " : lseek error!").c_str());
+        return;
+    }
+
+    n = ::read(fd, &buf, sizeof(buf));
+    if (n < 0)
+    {
+        phosphor::logging::log<phosphor::logging::level::ERR>(
+            (getFormFactorType() + " : read error!").c_str());
+        return;
+    }
+
+    if (buf == '0')
+    {
+        phosphor::logging::log<phosphor::logging::level::DEBUG>(
+            (getFormFactorType() + " : pressed").c_str());
+        // emit pressed signal
+        pressed();
+    }
+    else
+    {
+        phosphor::logging::log<phosphor::logging::level::DEBUG>(
+            (getFormFactorType() + " : released").c_str());
+        // released
+        released();
+    }
+}